title: Ultrastructure of pulmonary alveoli in experimentally induced pneumothorax.
mesh_terms: D000818:Animals; D008264:Macrophages / Q000648:ultrastructure; D008297:Male; D011030:Pneumothorax / Q000473:pathology*; D011650:Pulmonary Alveoli / Q000648:ultrastructure*; D051381:Rats