Original Article: PDF Only
SMITH, CLEMENT A. M.D.*; WORCESTER, JANE Dr.P.H†; BURKE, BERTHA S. A.M.‡
*Associate Professor of Pediatrics at Boston Lying-in Hospital, Harvard Medical School
†Associate Professor of Biostatistics, Harvard School of Public Health
‡Associate Professor of Maternal and Child Nutrition, Harvard School of Public Health
Departments of Maternal and Child Health and Biostatistics, School of Public Health, Departments of Pediatrics and Obstetrics, School of Medicine, Harvard University, and the Boston Lying-in Hospital, Boston, Massachusetts
