title: Primary pulmonary hypoplasia.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000002:abnormalities*; D010547:Persistent Fetal Circulation Syndrome / Q000175:diagnosis / Q000209:etiology; D011651:Pulmonary Artery / Q000002:abnormalities; D011667:Pulmonary Veins / Q000002:abnormalities