title: Sample selection for the National Children's Study: form must follow function.
authors.affiliation: Department of Epidemiology, Brown University, Providence, RI, USA. david_savitz@brown.edu
authors.forename: David A
authors.initials: DA
authors.lastname: Savitz
mesh_terms: D002648:Child; D002669:Child Welfare; D002675:Child, Preschool; D015331:Cohort Studies; D006801:Humans; D010372:Pediatrics; D012107:Research Design / Q000592:standards*; D012494:Sampling Studies