A histopathological study of so-called "Sperrarterien" of newborn lungs.
D006330:Heart Defects, Congenital / Q000473:pathology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008171:Lung Diseases / Q000473:pathology*; D011651:Pulmonary Artery / Q000196:embryology / Q000473:pathology*