title: The value of the plain radiograph in acute massive pulmonary embolism.
mesh_terms: D000208:Acute Disease; D000792:Angiography; D001810:Blood Volume; D005260:Female; D006801:Humans; D006940:Hyperemia / Q000150:complications; D008168:Lung / Q000000981:diagnostic imaging; D008722:Methods; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D013997:Time Factors