title: [X-ray diagnosis of acute spherical pneumonias].
authors.forename: D Q
authors.initials: DQ
authors.lastname: Ma
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000000981:diagnostic imaging*; D011859:Radiography