title: Study challenges beliefs about spread of syphilis.
mesh_terms: D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008145:Louisiana / Q000453:epidemiology; D008297:Male; D012725:Sexual Behavior; D012747:Sexual Partners; D013587:Syphilis / Q000453:epidemiology / Q000635:transmission*