title: Rickettsioses: the new and old diseases.
authors: S Y
authors: SY
authors: Wong
authors: M S
authors: MS
authors: Lam
mesh_terms: D024881:Drug Resistance, Bacterial; D006801:Humans; D007159:Immunologic Tests; D012282:Rickettsia Infections / Q000175:diagnosis* / Q000188:drug therapy* / Q000453:epidemiology; D012846:Singapore / Q000453:epidemiology; D012959:Socioeconomic Factors; D014195:Travel