RT Journal Article SR Electronic T1 THE DIFFERENTIAL DIAGNOSIS BETWEEN GONOCOCCAL AND NON-GONOCOCCAL EPIDIDYMITIS JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 112 OP 117 DO 10.1136/sti.1.2.112 VO 1 IS 2 A1 Kenneth M. Walker YR 1925 UL http://sti.bmj.com/content/1/2/112.abstract AB