title: Pulmonary vein wedge angiography.
mesh_terms: D002404:Catheterization; D003287:Contrast Media / Q000008:administration & dosage*; D006801:Humans; D007275:Injections, Intravenous; D008722:Methods; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*; D011667:Pulmonary Veins; D011859:Radiography
chemical_list: D003287:Contrast Media