Cohort Profile: NICHD Fetal Growth Studies-Singletons and Twins.
Grewal J, Grantz KL, Zhang C, Sciscione A, Wing DA, Grobman WA, Newman RB, Wapner R, D'Alton ME, Skupski D, Nageotte MP, Ranzini AC, Owen J, Chien EK, Craigo S, Albert PS, Kim S, Hediger ML, Buck Louis GM. Cohort Profile: NICHD Fetal Growth Studies-Singletons and Twins. Int J Epidemiol. 2018 02 01; 47(1):25-25l.