title: Recent trends in Pneumocystis carinii pneumonia as AIDS-defining disease in nine European countries.
authors.forename: D R
authors.initials: DR
authors.lastname: Hoover
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000453:epidemiology*; D005060:Europe / Q000453:epidemiology; D015528:HIV Seroprevalence / Q000639:trends*; D006801:Humans; D015994:Incidence; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology*; D012307:Risk Factors