title: [The effect of leptospiral outer envelope vaccine. IV. A study among a small population].
mesh_terms: D000293:Adolescent; D000328:Adult; D000907:Antibodies, Bacterial / Q000032:analysis; D001425:Bacterial Outer Membrane Proteins / Q000276:immunology*; D001428:Bacterial Vaccines / Q000276:immunology*; D006801:Humans; D007114:Immunization; D007919:Leptospira / Q000276:immunology*; D008875:Middle Aged
chemical_list: D000907:Antibodies, Bacterial; D001425:Bacterial Outer Membrane Proteins; D001428:Bacterial Vaccines