Brookmeyer R, Gail MH. Risk factors for infection and the probability of HIV transmission. In: AIDS epidemiology-a quantitative approach. New York: Oxford University Press, 1994:19-50.

Brunham RC, Plummer AA. A general model of sexually transmitted disease epidemiology and its implications for control. Sex Transm Dis 1990;74:1339-52.

CDC (Centers for Disease Control and Prevention). National HIV serosurveillance summary: results through 1992. Atlanta: U.S. Department of Health and Human Services, 1994:3:51.

CDC. HIV/AIDS surveillance report, U.S. HIV and AIDS cases reported through December 1995. Atlanta: U.S. Department of Health and Human Services, 1995;5:38.

CIA (Central Intelligence Agency). CIA World Factbook. http://www.odci.gov/cia/publications/95fact/us.html, 1995.

DeLisle S, Fine D, Kaetz S, Johnson RE, Schrader M, Lee V, et al. A multi-site model for the prevention and control of sexually transmitted chlamydial infections. Tenth International Meeting of the International Society for STD Research, August 29-September 1, 1993, Helsinki [abstract no. 162].

de Vincenzi I, European Study Group on Heterosexual Transmission of HIV. A longitudinal study of human immunodeficiency virus transmission by heterosexual partners. N Engl J Med 1994;331:341-6.

Downs AM, de Vincenzi I. Probability of heterosexual transmission of HIV: relationship to the number of unprotected sexual contacts. European Study Group in Heterosexual Transmission of HIV [see comments]. J Acquire Immune Defic Syndr Hum Retrovir 1996;11:388-95.

European Study Group on Heterosexual Transmission of HIV. Comparison of female to male and male to female transmission of HIV in 563 stable couples. Br Med J 1992;304:809-13.

Garnett GP, Anderson RM. Contact tracing and the estimation of sexual mixing patterns: the epidemiology of gonococcal infection. Sex Transm Dis 1993a;20:181-91.

Garnett GP, Anderson RM. Factors controlling the spread of HIV in heterosexual communities in developing countries: patterns of mixing between different age and sexual activity classes. Phil Trans R Soc Lond B 1993b;342:137-59.

Garnett GP, Anderson RM. Strategies for limiting the spread of HIV in developing countries: conclusions based on studies of the transmission dynamics of the virus. J Acquire Immune Defic Syndr Hum Retrovirol 1995;9:500-13.

Garnett GP, Hughes JP, Anderson RM, Stoner BP, Aral SO, Whittingham WL, et al. Sexual mixing patterns of patients attending sexually transmitted disease clinics. Sex Transm Dis 1996;23:248-57.

Garnett GP, Swinton J, Brunham C, Anderson RM. Gonococcal infection, infertility, and population growth: the influence of heterogeneity in sexual behavior. IMA J Math Appl Med Biol 1992;9:127-44.

Grosskurth H, Mosha F, Todd J, Mwijarubi E, Klokke A, Senkoro K, et al. Impact of improved treatment of sexually transmitted diseases on HIV infection in rural Tanzania: randomized controlled trial [see comments]. Lancet 1995;346:530-6.

Haralosottir S, Gupta S, Anderson RM. Preliminary studies of sexual networks in a male homosexual community in Iceland. J Acquire Immune Defic Syndr 1992;5:374-81.

Hayes RJ, Schulz KF, Plummer FA. The cofactor effect of genital ulcers on the per-exposure risk of HIV transmission in sub-Saharan Africa. J Trop Med Hyg 1995;98:1-8.

Hethcote HW, Yorke JA. Gonorrhea transmission dynamics and control. In: Levin S, ed. Lecture notes in biomathematics. New York: Springer-Verlag, 1984:56:99.

Jewell NP, Shiboski SC. Statistical analysis of HIV infectivity based on partner studies. Biometrics 1990;46:1133-50.

Johnson AM, Wadsworth J, Wellings K, Bradshaw S, Field J. Sexual lifestyles and HIV risk. Nature 1992;360:410-2.