PROTAR, M [Intra-pulmonary opacity; probable aneurysm of the upper branch of the left pulmonary artery]. [electronic resource] - Journal de radiologie, d'electrologie & archives d'electricite medicale 1950 - 65-6 p. digital Publication Type: Journal Article ISSN: 0368-394X Subjects--Topical Terms: AneurysmHumansLungPulmonary Artery