Non-Gonococcal Urethritis.-All inflammatory processes of the male urethra presumed due to sexual intercourse, which were not caused by N. gonorrhoea, H. ducreyi, T. pallidum, the tubercle bacillus, protozoan, metazoan organisms, fungi, mechanical irritants, or tumours, were classified as non-gonococcal urethritis. Acute Urethritis, Non-Gonococcal.-Non-gonococcal urethral infections in which the...