RT Journal Article SR Electronic T1 Age Group and Country of Origin of Cases of Gonorrhoea in England and Wales JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 214 OP 224 DO 10.1136/sti.39.4.214 VO 39 IS 4 A1 Willcox, R. R. YR 1963 UL http://sti.bmj.com/content/39/4/214.abstract AB