title: A prospective study of the placental weight and content of protein, RNA and DNA.
mesh_terms: D001724:Birth Weight; D001835:Body Weight; D004247:DNA / Q000378:metabolism*; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009929:Organ Size; D010298:Parity; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011446:Prospective Studies; D011506:Proteins / Q000378:metabolism*; D012313:RNA / Q000378:metabolism*; D012621:Seasons; D012737:Sex Factors
chemical_list: D011506:Proteins; D012313:RNA; D004247:DNA