title: Current problems in leptospirosis research. Report of a WHO Expert Group.
mesh_terms: D000820:Animal Diseases; D000818:Animals; D004197:Disease Reservoirs; D006801:Humans; D007919:Leptospira / Q000145:classification; D007922:Leptospirosis / Q000175:diagnosis / Q000276:immunology / Q000628:therapy / Q000662:veterinary; D012106:Research; D014944:World Health Organization