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2. AIDS, ethics, and clinical trials;Institute of Medical Ethics Working Party on the Ethical Implications of AIDS;BMJ,1992
3. AIDS, activism and the politics of health;Wachter;N Engl J Med,1992
4. Fumes from the spleen: we live forwards, but we understand backwards;James;Pediatr Perinat Epidemiol,1990
5. Survival of patients in clinical trials and at specialist centres;Stiller,1992