PT - JOURNAL ARTICLE AU - E M Dunlop AU - A M Lamb AU - D M King TI - Improved tracing of contacts of heterosexual men with gonorrhoea. Relationship of altered female to male ratios. AID - 10.1136/sti.47.3.192 DP - 1971 Jun 01 TA - The British Journal of Venereal Diseases PG - 192--195 VI - 47 IP - 3 4099 - http://sti.bmj.com/content/47/3/192.short 4100 - http://sti.bmj.com/content/47/3/192.full SO - Br J Vener Dis1971 Jun 01; 47