title: Human fetal respiration. II. Fate of intra-amniotic hypaque and 51Cr-labeled red cells.
mesh_terms: D000650:Amnion; D000653:Amniotic Fluid / Q000032:analysis; D002860:Chromium Radioisotopes / Q000008:administration & dosage / Q000032:analysis; D003973:Diatrizoate / Q000008:administration & dosage; D004064:Digestive System / Q000196:embryology; D004912:Erythrocytes / Q000032:analysis; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D007422:Intestines / Q000000981:diagnostic imaging; D008168:Lung / Q000032:analysis / Q000000981:diagnostic imaging / Q000196:embryology / Q000502:physiology; D011247:Pregnancy; D011859:Radiography; D012119:Respiration
chemical_list: D002860:Chromium Radioisotopes; D003973:Diatrizoate