RT Journal Article SR Electronic T1 DIAGNOSIS OF SYPHILIS AFTER PENICILLIN TREATMENT FOR GONORRHOEA JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 87 OP 88 DO 10.1136/sti.21.2.87 VO 21 IS 2 A1 Brian Weston YR 1945 UL http://sti.bmj.com/content/21/2/87.abstract AB