title: Pneumonia of unknown cause.
authors.forename: M
authors.initials: M
authors.lastname: Sircar
authors.forename: P
authors.initials: P
authors.lastname: Gupta
authors.forename: J
authors.initials: J
authors.lastname: Lall
authors.forename: R K
authors.initials: RK
authors.lastname: Karol
mesh_terms: D000328:Adult; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D001239:Inhalation; D008168:Lung; D008297:Male; D011014:Pneumonia / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D014070:Tooth