title: Syphilis: have we dropped the ball?
authors.affiliation: CMAJ.
authors.forename: Erica
authors.initials: E
authors.lastname: Weir
authors.forename: David
authors.initials: D
authors.lastname: Fisman
authors.forename: David
authors.initials: D
authors.lastname: Fishman
mesh_terms: D002170:Canada / Q000453:epidemiology; D017280:Condoms; D003376:Counseling; D005260:Female; D006801:Humans; D008297:Male; D010406:Penicillins / Q000627:therapeutic use*; D012725:Sexual Behavior; D013587:Syphilis / Q000188:drug therapy* / Q000453:epidemiology* / Q000473:pathology
chemical_list: D010406:Penicillins