RT Journal Article SR Electronic T1 Six-city study of treatment of gonorrhoea in men using single oral doses of 1.5 or 3 g. tetracycline hydrochloride. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 330 OP 333 DO 10.1136/sti.46.4.330 VO 46 IS 4 A1 Cornelius, C E YR 1970 UL http://sti.bmj.com/content/46/4/330.abstract AB