1. Selected aspects of the epidemiology of nongonococcal urethritis;Wiesner,1977
2. Sexually transmitted disease surveillance 1978;Academic Department of Genitourinary Medicine of the Middlesex Hospital Medical School;Br. Med. J.,1979
3. Nongonococcal urethritis;Volk;Arch. Intern. Med.,1974
4. Acute urethritis in male college students;McChesney;JAMA,1973
5. Gonococcal and nongonococcal urethritis in men;Jacobs;Ann. Intern. Med.,1975