title: Four new leptospira serotypes from Trinidad.
mesh_terms: D000293:Adolescent; D000372:Agglutination Tests; D000818:Animals; D008988:Herpestidae; D006801:Humans; D007919:Leptospira / Q000145:classification / Q000302:isolation & purification*; D008297:Male; D051381:Rats; D012703:Serotyping; D014300:Trinidad and Tobago