title: Dyspnea and a lung opacity on radiography.
authors: Georgetown University Hospital, Washington, DC, USA. allanjg@aol.com
authors: Allan J
authors: AJ
authors: Goody
authors: John David
authors: JD
authors: Kolter
mesh_terms: D004417:Dyspnea / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000150:complications* / Q000000981:diagnostic imaging*; D011859:Radiography