title: Epithelial squames in fetal lungs as an index of respiratory insufficiency.
mesh_terms: D001344:Autopsy; D004848:Epithelium / Q000196:embryology; D005260:Female; D005315:Fetal Diseases / Q000196:embryology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011650:Pulmonary Alveoli / Q000196:embryology*; D012131:Respiratory Insufficiency / Q000196:embryology*