title: A study of respiratory distress syndrome of the newborn.
mesh_terms: D001724:Birth Weight; D036861:Delivery, Obstetric; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011859:Radiography; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology