title: [Opportunistic pathogens and infections].
authors.affiliation: Department of Infectious Diseases, Division of Pathogenesis and Disease Control (Second Department of Internal Medicine), Oita University, Faculty of Medicine, Hasama-machi, Oita 879-5593, Japan. mnasu@med.oita-u.ac.jp
authors.forename: Masaru
authors.initials: M
authors.lastname: Nasu
mesh_terms: D006801:Humans; D009894:Opportunistic Infections / Q000382:microbiology*; D011014:Pneumonia / Q000382:microbiology*