title: Prevalence and sexual transmission of group B streptococci in male genital tract.
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D013290:Streptococcal Infections / Q000453:epidemiology / Q000635:transmission*; D013292:Streptococcus agalactiae; D014526:Urethritis / Q000209:etiology