The effect of prescribing folic acid during pregnancy on birth-weight and duration of pregnancy. A double-blind trial.
D001724:Birth Weight / Q000187:drug effects*; D002986:Clinical Trials as Topic; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage / Q000494:pharmacology*; D005865:Gestational Age / Q000187:drug effects*; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male; D008423:Maternal Age; D011247:Pregnancy / Q000187:drug effects*; D011272:Pregnancy, Multiple / Q000187:drug effects
D006454:Hemoglobins; D005492:Folic Acid