title: THE USE OF LEPTOSPIRA BIFLEXA PATOC ANTIGEN IN FIELD INVESTIGATIONS OF LEPTOSPIROSIS.
mesh_terms: D000372:Agglutination Tests; D003168:Complement Fixation Tests; D006801:Humans; D007919:Leptospira; D007922:Leptospirosis; D012383:Romania; D065288:Serogroup
keywords: COMPLEMENT FIXATION TESTS; LEPTOSPIRA; LEPTOSPIROSIS; RUMANIA