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Riordan, T., M. E. Macaulay, J. M. James, P. A. Leventhall, E. M. Morris, B. R. Neal, J. Rowland, and B. M. Evans. A Prospective Study of Genital Infections in a Family-planning Clinic. 1. Microbiological Findings and Their Association With Vaginal Symptoms. Cambridge University Press, 1990.

Riordan, T., et al. A Prospective Study of Genital Infections in a Family-planning Clinic. 1. Microbiological Findings and Their Association With Vaginal Symptoms. Cambridge University Press, 1990.