Ross L Gauld
Ross L Gauld
1Cardiac Clinic of the Harriet Lane Home (Department of Pediatrics) of the Johns Hopkins Hospital in cooperation with Child Hygiene Investigations of the United States Public Health Service, Baltimore
2Department of Epidemiology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
3Department of Biology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
1,2,3,
Antonio Ciocco
Antonio Ciocco
1Cardiac Clinic of the Harriet Lane Home (Department of Pediatrics) of the Johns Hopkins Hospital in cooperation with Child Hygiene Investigations of the United States Public Health Service, Baltimore
2Department of Epidemiology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
3Department of Biology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
1,2,3,
Frances E M Read
Frances E M Read
1Cardiac Clinic of the Harriet Lane Home (Department of Pediatrics) of the Johns Hopkins Hospital in cooperation with Child Hygiene Investigations of the United States Public Health Service, Baltimore
2Department of Epidemiology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
3Department of Biology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
1,2,3,1
1Cardiac Clinic of the Harriet Lane Home (Department of Pediatrics) of the Johns Hopkins Hospital in cooperation with Child Hygiene Investigations of the United States Public Health Service, Baltimore
2Department of Epidemiology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
3Department of Biology, Johns Hopkins University, School of Hygiene and Public Health, Baltimore
1 Acknowledgment is made by the authors of the inspiration and advice of the late Dr. W. H. Frost who guided the early stages of this study.