| prevalence of chlamydia trachomatis and the genital mycoplasmas in a nonmetropolitan population. | results of cultures from patients with nonspecific urethritis (nsu) during a 4-year period were retrospectively analyzed. nsu cultures included chlamydiae and mycoplasmas. seventy-five of 2,408 cultures run by the missoula community hospital microbiology laboratory were positive for chlamydiae (3%). seventy-five of 1,944 mycoplasma cultures were positive for mycoplasma hominis (4%), 532 of 1,944 for ureaplasma urealyticum (27%), and 305 of 1,944, for both (15%), for a total of 46% culture positi ... | 1987 | 2891633 |