“…It has also been implicated in the aetiology of infantile pneumonia (Beem and Saxon, 1977), cervicitis and non-gonococcal pelvic inflammatory disease in women (Mardh et al, 1977;Paavonen, 1979). Some authors have produced epididymitis in dogs by injecting sterile urine into the epididymis and ligating the vas deferens (Graves and Engel, 1950), but we do not think that reflux of sterile urine is a cause of epididymitis in humans. Chlamydia trachomatis was isolated from the epididymal aspirate for the first time by Harnisch et al (1977) and Berger et al (1978).…”