PT - JOURNAL ARTICLE AU - Wigfield, A S TI - 27 years of uninterrupted contact tracing. The 'Tyneside Scheme'. AID - 10.1136/sti.48.1.37 DP - 1972 Feb 01 TA - The British Journal of Venereal Diseases PG - 37--50 VI - 48 IP - 1 4099 - http://sti.bmj.com/content/48/1/37.short 4100 - http://sti.bmj.com/content/48/1/37.full SO - Br J Vener Dis1972 Feb 01; 48