TY - JOUR T1 - Improved tracing of contacts of heterosexual men with gonorrhoea. Relationship of altered female to male ratios. JF - The British Journal of Venereal Diseases JO - Br J Vener Dis SP - 192 LP - 195 DO - 10.1136/sti.47.3.192 VL - 47 IS - 3 AU - E M Dunlop AU - A M Lamb AU - D M King Y1 - 1971/06/01 UR - http://sti.bmj.com/content/47/3/192.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -