title: Human "barkers".
mesh_terms: D002585:Cesarean Section; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008026:Ligation; D010920:Placenta; D011175:Positive-Pressure Respiration; D011247:Pregnancy; D011663:Pulmonary Surfactants / Q000502:physiology; D012127:Respiratory Distress Syndrome, Newborn / Q000209:etiology / Q000473:pathology / Q000628:therapy; D014470:Umbilical Cord
chemical_list: D011663:Pulmonary Surfactants