![Pregnancy Recruitment for Population Research: the National Children's Study Vanguard Experience in Wayne County, Michigan]()
Pregnancy Recruitment for Population Research: the National Children's Study Vanguard Experience in Wayne County, MichiganKerver, Jean M.; Elliott, Michael R.; Norman, Gwendolyn S.; Sokol, Robert J.; Keating, Daniel P.; Copeland, Glenn E.; Johnson, Christine C.; Cislo, Kendall K.; Alcser, Kirsten H.; Kruger-Ndiaye, Shonda R.; Pennell, Beth-Ellen; Mehta, Shobha; Joseph, Christine L. M.; Paneth, Nigel · Paediatric and Perinatal Epidemiology · 2013