title: [Test your knowledge].
authors.forename: A
authors.initials: A
authors.lastname: Valipour
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging* / Q000382:microbiology*; D008297:Male; D045363:Pneumocystis carinii / Q000302:isolation & purification*; D011020:Pneumonia, Pneumocystis / Q000000981:diagnostic imaging* / Q000382:microbiology*; D013902:Radiography, Thoracic / Q000379:methods*