Observational studyBMC pregnancy and childbirth2014
Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study.
Verena Sengpiel et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
25 papers cite it
this paperpooled itcites it