title: Chlamydia pneumoniae infections.
authors.forename: M R
authors.initials: MR
authors.lastname: Hammerschlag
mesh_terms: D002690:Chlamydia Infections / Q000175:diagnosis* / Q000453:epidemiology; D016993:Chlamydophila pneumoniae / Q000302:isolation & purification*; D006801:Humans