Have We Learned Anything after 20 Years of AIDS? Call for a National Health Board

Salk J . The Survival of the wisest. New York: Harper and Row; 1973.

Gao F Bailes E Robertson DL Chen Y Rodenburg CM Michael SF . Origin of HIV-1 in the chimpanzee Pan troglodytes troglodytes. Nature 1999;397:436–41.

Pneumocystis pneumonia—Los Angeles. MMWR Morb Mortal Wkly Rep 1981;30:250–2.

Okie S . Experts fear condom report's effects: panel's criticism may deter some prophylactic use, officials say. The Washington Post 2001 Jul 21;Sect. A:2.

Shilts R . And the band played on. New York: St. Martin's Press; 1987.

Cohen J . Shots in the dark. New York: W.W. Norton & Co; 2001.

Thomas P . Big shot: passion, politics and the struggle for an AIDS vaccine. New York: Public Affairs; 2001.

Winkelstein W Jr Wiley JA Padian NS Samuel M Shiboski S Ascher MS Levy JA . The San Francisco Men's Health Study: continued decline in HIV seroconversion rates among homosexual/bisexual men. Am J Public Health 1988;78:1472–4.

Van Griensven GJP de Vroome EMM Goudsmit J Coutinho RA . Changes in sexual behaviour and fall in incidence of HIV infections among homosexual men. BMJ 1989;298:218–21.

Des Jarlais DC Friedman SR Novick DM Sotheran JL Thomas P Yancovitz SR . HIV-1 infection among intravenous drug users in Manhattan, New York City from 1977 through 1987. JAMA 1989;261:1008–12.

Rehm J Gschwend P Steffen T Gutzwiller F Dobler-Mikola A Uchtenhagen A . Feasibility, safety, and efficacy of injectable heroin prescription for refractory opioid addicts: a follow-up study. Lancet 2001;358:1417–20.

Kilias M Rabasa J . Does heroin prescription reduce crime? results from the evaluation of the Swiss Heroin Prescription projects. Studies on Crime and Crime Prevention: Annual Review 1998;7:127–33.