We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleInternet use and early syphilis infection among men who have sex with men--San Francisco, California, 1999-2003.AuthorsCenters for Disease Control and Prevention (CDC)PublicationMMWR. Morbidity and mortality weekly report, 2003, Vol 52, Issue 50, p1229ISSN1545-861xPublication typearticle