title: [Pneumonia and respiratory tract infections].
authors.forename: Keizo
authors.initials: K
authors.lastname: Matsumoto
mesh_terms: D000368:Aged; D049673:History, 20th Century; D006801:Humans; D007564:Japan; D011014:Pneumonia / Q000266:history*; D012141:Respiratory Tract Infections / Q000266:history*