RT Journal Article SR Electronic T1 Researches in Non-Specific Urethritis JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 225 OP 227 DO 10.1136/sti.29.4.225 VO 29 IS 4 A1 R. R. Willcox YR 1953 UL http://sti.bmj.com/content/29/4/225.abstract AB