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Munday, P. E., A. P. Johnson, B. J. Thomas, D. J. Jeffries, S. G. Dawson, M. J. Osborn, S. Philip, J. R. W. Harris, et D. Taylor-Robinson. A Microbiological Study of Non-gonococcal Proctitis in Passive Male Homosexuals. 1981.

Munday, P. E., et al. A Microbiological Study of Non-gonococcal Proctitis in Passive Male Homosexuals. 1981.