|
Author(s):
|
J. Richard Hebel, PhD, Professor, Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, Maryland
Robert J. McCarter, ScD, Professor of Pediatrics and Epidemiology and Biostatistics, The George Washington University Schools of Medicine and Public Health, Washington D.C., Director, Biostatistics and Informatics Unit, Children’s National Medical Center
|