Muscatine Heart Study
2 other identifiers
observational
N/A
0 countries
N/A
Brief Summary
To conduct longitudinal and cross-sectional studies of risk factors for coronary heart disease and hypertension in school age children and adults who had been examined in previous screens.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Jun 1971
Longer than P75 for all trials
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 1971
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 1991
CompletedFirst Submitted
Initial submission to the registry
May 25, 2000
CompletedFirst Posted
Study publicly available on registry
May 26, 2000
CompletedMay 13, 2016
July 1, 2000
May 25, 2000
May 12, 2016
Conditions
Eligibility Criteria
Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.
Sponsors & Collaborators
Related Publications (91)
Lauer RM, Connor WE, Leaverton PE, Reiter MA, Clarke WR. Coronary heart disease risk factors in school children: the Muscatine study. J Pediatr. 1975 May;86(5):697-706. doi: 10.1016/s0022-3476(75)80353-2.
PMID: 1133650BACKGROUNDLauer RM, Filer LJ, Reiter MA, Clarke WR. Blood pressure, salt preference, salt threshold, and relative weight. Am J Dis Child. 1976 May;130(5):493-7. doi: 10.1001/archpedi.1976.02120060039008.
PMID: 1274900BACKGROUNDVon Behren PA, Lauer RM. The significance of blood pressure measurements in childhood. Med Clin North Am. 1977 May;61(3):487-93. doi: 10.1016/s0025-7125(16)31312-8. No abstract available.
PMID: 853789BACKGROUNDvon Behren PA, Lauer RM. Blood pressure measurements in children. Pediatr Ann. 1977 Jun;6(6):384-9. No abstract available.
PMID: 865909BACKGROUNDBlumenthal S, Epps RP, Heavenrich R, Lauer RM, Lieberman E, Mirkin B, Mitchell SC, Boyar Naito V, O'Hare D, McFate Smith W, Tarazi RC, Upson D. Report of the task force on blood pressure control in children. Pediatrics. 1977 May;59(5 2 suppl):I-II, 797-820. No abstract available.
PMID: 859728BACKGROUNDCardiovascular Profiles of 15,000 Children of School Age in Three Communities 1971-1975. DHEW Publication Number (NIH) 78-1472, 1978
BACKGROUNDRames LK, Clarke WR, Connor WE, Reiter MA, Lauer RM. Normal blood pressure and the evaluation of sustained blood pressure elevation in childhood: the Muscatine study. Pediatrics. 1978 Feb;61(2):245-51.
PMID: 634679BACKGROUNDLee J, Lauer RM. Pediatric aspects of atherosclerosis and hypertension. Pediatr Clin North Am. 1978 Nov;25(4):909-29. doi: 10.1016/s0031-3955(16)33649-5. No abstract available.
PMID: 733370BACKGROUNDClarke WR, Schrott HG, Leaverton PE, Connor WE, Lauer RM. Tracking of blood lipids and blood pressures in school age children: the Muscatine study. Circulation. 1978 Oct;58(4):626-34. doi: 10.1161/01.cir.58.4.626.
PMID: 688572BACKGROUNDLauer RM, Rames LK, Clarke WR. Blood pressure and its significance in childhood. Postgrad Med J. 1978 Mar;54(629):206-11. doi: 10.1136/pgmj.54.629.206.
PMID: 652686BACKGROUNDSchrott HG, Clarke WR, Wiebe DA, Connor WE, Lauer RM. Increased coronary mortality in relatives of hypercholesterolemic school children: the Muscatine study. Circulation. 1979 Feb;59(2):320-6. doi: 10.1161/01.cir.59.2.320.
PMID: 758999BACKGROUNDSchrott HG, Bucher KA, Clarke WR, Lauer RM: The Muscatine Family Study Program In Genetic Analysis of Common Disease. In: Applications to Predictive Factors in Coronary Disease. Sing CF, Skolnick M (Eds), Alan R Liss Inc, 619-646, 1979
BACKGROUNDSchieken RM, Clarke WR, Mahoney LT, Lauer RM. Measurement criteria for group echocardiographic studies. Am J Epidemiol. 1979 Oct;110(4):504-14. doi: 10.1093/oxfordjournals.aje.a112831.
PMID: 507041BACKGROUNDLauer RM, Clarke WR: Tracking of Coronary Risk Factors in Children. In Arteriosclerosis V:294-301. Gotto AM, Smith LC, Allen B (Eds), SpringerVerlag, NY, NY, 1980
BACKGROUNDLauer RM, Shekelle RB, Editors. Childhood Prevention of Atherosclerosis and Hypertension. Raven Press, N.Y., 1980
BACKGROUNDLauer RM, Clarke WR: lmmediate and Long-Term Prognostic Significance of Childhood Blood Pressure Levels. In: Childhood Prevention of Atherosclerosis and Hypertension, Raven Press, N.Y., 1980
BACKGROUNDFiler LJ, Jr: Are Suitable Low Salt Foods Available in the Market? In: Childhood Prevention of Atherosclerosis and Hypertension, Raven Press, 1980
BACKGROUNDKron JM, Laing JA, Sines JO, Clarke WR, Lauer RM. Personality and casual blood pressure in school age children. J Psychosom Res. 1980;24(2):75-7. doi: 10.1016/0022-3999(80)90056-2. No abstract available.
PMID: 7411498BACKGROUNDSchieken RM, Clarke WR, Lauer RM. Left ventricular hypertrophy in children with blood pressures in the upper quintile of the distribution. The Muscatine Study. Hypertension. 1981 Nov-Dec;3(6):669-75. doi: 10.1161/01.hyp.3.6.669.
PMID: 6457796BACKGROUNDBucher KD, Schrott HG: The Effect of Non-Random Sampling on Familial Correlations. Biometrics, 38:249-253, 1981
BACKGROUNDLee J, Lauer RM, Clarke WR. Coronary risk factors in children. Cardiovasc Clin. 1981;11(2):1-9.
PMID: 7011538BACKGROUNDSchrott HL, Bucher K, Clarke WR, and Lauer RM: The Muscatine Family Study Program. In Genetic Analyses of Common Diseases: Sing CF, and Skolnick M (Eds), A. R. Liss, Inc.,N.Y., 1981
BACKGROUNDLeeper JD and Woolson RF: Testing Hypotheses for the Growth Curve Model When the Data are Incomplete. J Stat Comput Simulat, 15:97-107, 1982
BACKGROUNDWoolson RF, Clarke WR and Amini SB: Applications of SAS (FUNCAT) to Epidemiological Data. Proceedings of Seventh Annual SAS Conference International, p 739-747, 1982
BACKGROUNDSchrott HG, Clarke WR, Abrahams P, Wiebe DA, Lauer RM. Coronary artery disease mortality in relatives of hypertriglyceridemic school children: the Muscatine study. Circulation. 1982 Feb;65(2):300-5. doi: 10.1161/01.cir.65.2.300.
PMID: 7053887BACKGROUNDMahoney LT, Clarke WR, Mark AL, Lauer RM. Forearm vascular resistance in the upper and lower quintiles of blood pressure in adolescent boys: The Muscatine Study. Pediatr Res. 1982 Feb;16(2):163-5. doi: 10.1203/00006450-198202000-00018.
PMID: 7058084BACKGROUNDBucher KD, Schrott HG, Clarke WR, Lauer RM. The Muscatine Cholesterol Family Study: distribution of cholesterol levels within families of probands with high, low and middle cholesterol levels. J Chronic Dis. 1982;35(5):385-400. doi: 10.1016/0021-9681(82)90009-1.
PMID: 7068812BACKGROUNDBucher KD, Schrott HG, Clarke WR, Lauer RM. The Muscatine Cholesterol Family Study: familial aggregation of blood lipids and relationship of lipid levels to age, sex and hormone use. J Chronic Dis. 1982;35(5):375-84. doi: 10.1016/0021-9681(82)90008-x.
PMID: 7068811BACKGROUNDLauer RM, Akers RL, Massey J, Clarke WR. Evaluation of cigarette smoking among adolescents: the Muscatine study. Prev Med. 1982 Jul;11(4):417-28. doi: 10.1016/0091-7435(82)90045-7. No abstract available.
PMID: 7122432BACKGROUNDSchieken RM, Clarke WR, Prineas R, Klein V, Lauer RM. Electrocardiographic measures of left ventricular hypertrophy in children across the distribution of blood pressure: the Muscatine study. Circulation. 1982 Aug;66(2):428-32. doi: 10.1161/01.cir.66.2.428.
PMID: 6212164BACKGROUNDPomrehn PR, Clarke WR, Sowers MF, Wallace RB, Lauer RM. Community differences in blood pressure levels and drinking water sodium. Am J Epidemiol. 1983 Jul;118(1):60-71. doi: 10.1093/oxfordjournals.aje.a113617.
PMID: 6603163BACKGROUNDSchieken RM, Clarke WR, Lauer RM. The cardiovascular responses to exercise in children across the blood pressure distribution. The Muscatine study. Hypertension. 1983 Jan-Feb;5(1):71-8. doi: 10.1161/01.hyp.5.1.71.
PMID: 6848470BACKGROUNDAkers RL, Massey J, Clarke W, Lauer RM: Are Self-Reports of Adolescent Deviance Valid? Biochemical Measures, Randomized Response, and the Bogus Pipeline in Smoking Behavior. Social Forces, 62(1):234-251, 1983
BACKGROUNDKrohn MD, Massey JL, Skinner WF, Lauer RM. Social bonding theory and adolescent cigarette smoking: a longitudinal analysis. J Health Soc Behav. 1983 Dec;24(4):337-49. No abstract available.
PMID: 6668413BACKGROUNDHanis CL, Sing CF, Clarke WR, Schrott HG. Multivariate models for human genetic analysis: aggregation, coaggregation, and tracking of systolic blood pressure and weight. Am J Hum Genet. 1983 Nov;35(6):1196-210.
PMID: 6650502BACKGROUNDWoolson RF, Clarke WR: Analysis of Categorical Incomplete Longitudinal Data. J Royal Statistical Society, Series A 147(1):87-99, 1984
BACKGROUNDBurns TL, Moll PP, Schork MA. Comparisons of different sampling designs for the determination of genetic transmission mechanisms in quantitative traits. Am J Hum Genet. 1984 Sep;36(5):1060-74.
PMID: 6496473BACKGROUNDLauer RM, Clarke WR, Beaglehole R. Level, trend, and variability of blood pressure during childhood: the Muscatine study. Circulation. 1984 Feb;69(2):242-9. doi: 10.1161/01.cir.69.2.242.
PMID: 6690097BACKGROUNDLauer RM, Anderson AR, Beaglehole R, Burns TL. Factors related to tracking of blood pressure in children. U.S. National Center for Health Statistics Health Examination Surveys Cycles II and III. Hypertension. 1984 May-Jun;6(3):307-14. doi: 10.1161/01.hyp.6.3.307.
PMID: 6735452BACKGROUNDSines JO, Clarke WM, Lauer RM. Home environment questionnaire. J Abnorm Child Psychol. 1984 Dec;12(4):519-29. doi: 10.1007/BF00916847.
PMID: 6491059BACKGROUNDFiler LJ, Jr., Clarke WR, Lauer RM, and Burke GL: Blood Pressure and Sodium-Lithium Countertransport: NHLBI Workshop on Juvenile Hypertension. Monograph, pp 173-179, 1984
BACKGROUNDLee J, Lauer RM, Clarke WR: Distribution of Blood Pressure in Young Persons: NHLBl Workshop on Juvenile Hypertension. Monograph, pp 9-19, 1984
BACKGROUNDLauer RM, Burns TL, Clarke WR. Assessing children's blood pressure--considerations of age and body size: the Muscatine Study. Pediatrics. 1985 Jun;75(6):1081-90.
PMID: 4000785BACKGROUNDLauer RM, Clarke WR: Tracking of Blood Pressure in Childhood. Children's Blood Pressure - Report of the Eighty-Eighth Ross Conference on Pediatric Research. Filer LJ, Lauer RM (Eds). Published by Ross Laboratories, Columbus, Ohio, 1985
BACKGROUNDClarke WR, Schrott HG, Burns TL, Sing CF, Lauer RM. Aggregation of blood pressure in the families of children with labile high systolic blood pressure. The Muscatine Study. Am J Epidemiol. 1986 Jan;123(1):67-80. doi: 10.1093/oxfordjournals.aje.a114225.
PMID: 3940444BACKGROUNDSkinner WF, Massey JL, Krohn MD, Lauer RM. Social influences and constraints on the initiation and cessation of adolescent tobacco use. J Behav Med. 1985 Dec;8(4):353-76. doi: 10.1007/BF00848369.
PMID: 4093973BACKGROUNDKrohn MD, Massey JL, Skinner WF, Naughton M: Adolescent Cigarette Use. In: Feldman RA, Stiffman AR (Eds.), Advances in Adolescent Mental Health: A Research Practice Annual. Greenwich, Conn: JAI Press, 1986.
BACKGROUNDClarke WR, Woolson RF, Lauer RM. Changes in ponderosity and blood pressure in childhood: the Muscatine Study. Am J Epidemiol. 1986 Aug;124(2):195-206. doi: 10.1093/oxfordjournals.aje.a114378.
PMID: 3728436BACKGROUNDLauer RM. Clarke WR, Mahoney LT; Blood Pressure in Childhood. In Allen MA (Ed) Proceedings of the World Congress of Pediatric Cardiology. Springer-Verlag, New York, N.Y., 1985.
BACKGROUNDAnderson RA, Benda TJ, Wallace RB, Eliason SL, Lee J, Burns TL. Prevalence and associations of apolipoprotein A-I linked DNA polymorphisms: results from a population study. Genet Epidemiol. 1986;3(6):385-97. doi: 10.1002/gepi.1370030603.
PMID: 2879769BACKGROUNDKrohn MD, Naughton MJ, Skinner WF, Becker SL, Lauer RM. Social disaffection, friendship patterns and adolescent cigarette use: the Muscatine Study. J Sch Health. 1986 Apr;56(4):146-50. doi: 10.1111/j.1746-1561.1986.tb05723.x.
PMID: 3634143BACKGROUNDLauer RM, Mahoney LT, Clarke WR. Tracking of blood pressure during childhood: the Muscatine Study. Clin Exp Hypertens A. 1986;8(4-5):515-37. doi: 10.3109/10641968609046568.
PMID: 3757274BACKGROUNDBachman EE, Sines JO, Watson JA, Lauer RM, Clarke WR. The relations between type A behavior, clinically relevant behavior, academic achievement, and IQ in children. J Pers Assess. 1986 Summer;50(2):186-92. doi: 10.1207/s15327752jpa5002_4.
PMID: 3761122BACKGROUNDLee J, Burns TL: Genetic Dyslipoproteinemias Associated with Coronary Atherosclerosis. In: Genetics of Cardiovascular Disease, Pierpont ME and Moller JH, (Eds). Martinus Nijhoff Publishing, 161-191, 1986
BACKGROUNDBurns TL, Lauer RM: Blood Pressure in Children. In: Genetics of Cardiovascular Disease, Pierpont ME and Moller JH, (Eds). Martinus Nijhoff Publishing, 305-317, 1986
BACKGROUNDLauer RM, Burns TL, Clarke WR: Epidemiology of Blood Pressure in Childhood. Proceedings of the International Symposium on the Early Pathogenesis of Primary Hypertension, Rotterdam, September 9-10, 1986. Excerpta Medica, N. Y., 1987.
BACKGROUNDWoolson RF, Clarke WR, Leeper JD: Dealing with Missing Data in Longitudinal Studies. In: Statistical Models for Longitudinal Studies of Health, Oxford University Press,1992.
BACKGROUNDAnderson EA, Mahoney LT, Lauer RM, Clarke WR. Enhanced forearm blood flow during mental stress in children of hypertensive parents. Hypertension. 1987 Nov;10(5):544-9. doi: 10.1161/01.hyp.10.5.544.
PMID: 3666867BACKGROUNDBurke JA, Naughton MJ, Becker SL, Arbogast R, Lauer RM, Krohn MD. The short-term effects of competition and rewards in an adolescent smoking prevention program. Health Educ Q. 1987 Summer;14(2):141-52. doi: 10.1177/109019818701400202.
PMID: 3597107BACKGROUNDKrohn MD, Naughton MJ, Lauer RM; Centers for Disease Control (CDC). Adolescent cigarette use: the relationship between attitudes and behavior. MMWR Suppl. 1987 Sep 4;36(4):25S-33S. No abstract available.
PMID: 3116393BACKGROUNDBurns TL, Moll PP, Rost CA, Lauer RM. Mothers remember birthweights of adolescent children: the Muscatine Ponderosity Family Study. Int J Epidemiol. 1987 Dec;16(4):550-5. doi: 10.1093/ije/16.4.550.
PMID: 3440664BACKGROUNDLauer RM, Clarke WR. A longitudinal view of blood pressure during childhood: the Muscatine Study. Stat Med. 1988 Jan-Feb;7(1-2):47-57. doi: 10.1002/sim.4780070109.
PMID: 3353612BACKGROUNDMahoney LT, Schieken RM, Clarke WR, Lauer RM. Left ventricular mass and exercise responses predict future blood pressure. The Muscatine Study. Hypertension. 1988 Aug;12(2):206-13. doi: 10.1161/01.hyp.12.2.206.
PMID: 3410529BACKGROUNDLauer RM, Lee J, Clarke WR. Factors affecting the relationship between childhood and adult cholesterol levels: the Muscatine Study. Pediatrics. 1988 Sep;82(3):309-18.
PMID: 3405659BACKGROUNDMahoney LT, Schieken RM, Clarke WR, Lauer RM: The Development of Excessive Left Ventricular Mass in Children With Elevated Blood Pressure. In: National Blood Pressure Program: Epidemiology and Prevention of Hypertension. Lasser U and Wilhelmsen L (Eds), Heidelberg: Springer Verlag, p. 8-10, 1988
BACKGROUNDBurns TL, Moll PP, Lauer RM. The relation between ponderosity and coronary risk factors in children and their relatives. The Muscatine Ponderosity Family Study. Am J Epidemiol. 1989 May;129(5):973-87. doi: 10.1093/oxfordjournals.aje.a115229.
PMID: 2495713BACKGROUNDLauer RM, Clarke WR. Childhood risk factors for high adult blood pressure: the Muscatine Study. Pediatrics. 1989 Oct;84(4):633-41.
PMID: 2780125BACKGROUNDLauer RM, Lee J, Clarke WR. Predicting adult cholesterol levels from measurements in childhood and adolescence: the Muscatine Study. Bull N Y Acad Med. 1989 Dec;65(10):1127-42; discussion 1154-60.
PMID: 2629967BACKGROUNDMahoney LT, Lauer RM. Consistency of blood pressure levels in children. Semin Nephrol. 1989 Sep;9(3):230-5. No abstract available.
PMID: 2781197BACKGROUNDLauer RM, Clarke WR. Use of cholesterol measurements in childhood for the prediction of adult hypercholesterolemia. The Muscatine Study. JAMA. 1990 Dec 19;264(23):3034-8.
PMID: 2243431BACKGROUNDReimers TM, Pomrehn PR, Becker SL, Lauer RM. Risk factors for adolescent cigarette smoking. The Muscatine study. Am J Dis Child. 1990 Nov;144(11):1265-72. doi: 10.1001/archpedi.1990.02150350097035.
PMID: 2239869BACKGROUNDMahoney LT, Lauer RM, Lee J, Clarke WR. Factors affecting tracking of coronary heart disease risk factors in children. The Muscatine Study. Ann N Y Acad Sci. 1991;623:120-32. doi: 10.1111/j.1749-6632.1991.tb43723.x.
PMID: 2042820BACKGROUNDMahoney LT, Clarke WR, Burns TL, Lauer RM. Childhood predictors of high blood pressure. Am J Hypertens. 1991 Nov;4(11):608S-610S. doi: 10.1093/ajh/4.11s.608s.
PMID: 1789940BACKGROUNDLauer RM, Burns TL, Clarke WR, Mahoney LT. Childhood predictors of future blood pressure. Hypertension. 1991 Sep;18(3 Suppl):I74-81. doi: 10.1161/01.hyp.18.3_suppl.i74.
PMID: 1889860BACKGROUNDSnetselaar LG, Lauer RM. Children and cholesterol: potential prevention for future good health. Bol Asoc Med P R. 1991 Nov;83(11):505-7.
PMID: 1811601BACKGROUNDMoll PP, Burns TL, Lauer RM. The genetic and environmental sources of body mass index variability: the Muscatine Ponderosity Family Study. Am J Hum Genet. 1991 Dec;49(6):1243-55.
PMID: 1746554BACKGROUNDLauer RM. A family history of risk factors and cardiovascular diseases. Circulation. 1991 Sep;84(3):1445-6. doi: 10.1161/01.cir.84.3.1445. No abstract available.
PMID: 1884468BACKGROUNDJanz KF, Golden JC, Hansen JR, Mahoney LT. Heart rate monitoring of physical activity in children and adolescents: the Muscatine Study. Pediatrics. 1992 Feb;89(2):256-61.
PMID: 1734393BACKGROUNDLauer R. Coronary disease prevention should begin in childhood. Iowa Med. 1992 Aug;82(8):329-31. No abstract available.
PMID: 1512139BACKGROUNDLauer RM. Should children, parents, and pediatricians worry about cholesterol? Pediatrics. 1992 Mar;89(3):509-11. No abstract available.
PMID: 1741230BACKGROUNDBurns TL, Moll PP, Lauer RM. Increased familial cardiovascular mortality in obese schoolchildren: the Muscatine Ponderosity Family Study. Pediatrics. 1992 Feb;89(2):262-8.
PMID: 1734394BACKGROUNDClarke WR, Lauer RM. Does childhood obesity track into adulthood? Crit Rev Food Sci Nutr. 1993;33(4-5):423-30. doi: 10.1080/10408399309527641.
PMID: 8357505BACKGROUNDMalcolm DD, Burns TL, Mahoney LT, Lauer RM. Factors affecting left ventricular mass in childhood: the Muscatine Study. Pediatrics. 1993 Nov;92(5):703-9.
PMID: 8414859BACKGROUNDMoller JH, Allen HD, Clark EB, Dajani AS, Golden A, Hayman LL, Lauer RM, Marmer EL, McAnulty JH, Oparil S, et al. Report of the task force on children and youth. American Heart Association. Circulation. 1993 Nov;88(5 Pt 1):2479-86. doi: 10.1161/01.cir.88.5.2479. No abstract available.
PMID: 8222143BACKGROUNDBurns TL, Moll PP, Lauer RM. Genetic models of human obesity--family studies. Crit Rev Food Sci Nutr. 1993;33(4-5):339-43. doi: 10.1080/10408399309527630.
PMID: 8357494BACKGROUNDLauer RM, Clarke WR, Mahoney LT, Witt J. Childhood predictors for high adult blood pressure. The Muscatine Study. Pediatr Clin North Am. 1993 Feb;40(1):23-40. doi: 10.1016/s0031-3955(16)38478-4.
PMID: 8417407BACKGROUNDMuhonen LE, Burns TL, Nelson RP, Lauer RM. Coronary risk factors in adolescents related to their knowledge of familial coronary heart disease and hypercholesterolemia: the Muscatine Study. Pediatrics. 1994 Mar;93(3):444-51.
PMID: 8115204BACKGROUNDJanz KF, Burns TL, Mahoney LT. Predictors of left ventricular mass and resting blood pressure in children: the Muscatine Study. Med Sci Sports Exerc. 1995 Jun;27(6):818-25.
PMID: 7658942BACKGROUNDMahoney LT, Burns TL, Stanford W, Thompson BH, Witt JD, Rost CA, Lauer RM. Coronary risk factors measured in childhood and young adult life are associated with coronary artery calcification in young adults: the Muscatine Study. J Am Coll Cardiol. 1996 Feb;27(2):277-84. doi: 10.1016/0735-1097(95)00461-0.
PMID: 8557894BACKGROUNDJanz KF, Mahoney LT. Three-year follow-up of changes in aerobic fitness during puberty: the Muscatine Study. Res Q Exerc Sport. 1997 Mar;68(1):1-9. doi: 10.1080/02701367.1997.10608861.
PMID: 9094758BACKGROUNDLauer RM, Clarke WR, Burns TL. Obesity in childhood: the Muscatine Study. Zhonghua Min Guo Xiao Er Ke Yi Xue Hui Za Zhi. 1997 Nov-Dec;38(6):432-7.
PMID: 9473814BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
Ronald Lauer
Study Design
- Study Type
- observational
- Sponsor Type
- NIH
Study Record Dates
First Submitted
May 25, 2000
First Posted
May 26, 2000
Study Start
June 1, 1971
Study Completion
November 1, 1991
Last Updated
May 13, 2016
Record last verified: 2000-07