1. Holmes KK, Handsfield HH, Wang SP. et al. Etiology of nongonococcal urethritis. N Engl J Med 1975;292: 1199-205.
2. Chiamydia trachomatis infection in patients with acute salpingitis;Mardh, P.A.; Ripa, T.; Svennsson, L.; Westrom, L.;N Engi J Med,1977
3. Chlamydial infections;Schachter, J.; Grossman, M.;Ann Rev Med,1981
4. La Placa M. Chiamydia trachomatis infection in infertile women;Cevenini, R.; Possati, G.,1982
5. Comparison of reticulate body antigens in detection of antibodies against Chlamydia trachomatis by enzyme-linked immunosorbent assay;Jones, R.B.; Bruins, S.C.; Newhall, W.J.;J Clin Microbiol,1983