title: Contribution of fetal urine to amniotic fluid surfactant pool.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000032:analysis*; D014556:Urine
chemical_list: D011663:Pulmonary Surfactants