Whiteside, M G Iron, folic acid and vitamin B12 levels in normal pregnancy, and their influence on birth-weight and the duration of pregnancy. [electronic resource] - The Medical journal of Australia Mar 1968 - 338-42 p. digital Publication Type: Journal Article ISSN: 0025-729X Standard No.: 10.5694/j.1326-5377.1968.tb28541.x doi Subjects--Topical Terms: Birth WeightFemaleFolic Acid--bloodGastric Acidity DeterminationHemoglobins--analysisHumansInfant, NewbornIron--bloodMaternal-Fetal ExchangePregnancyVitamin B 12--blood