TY - GEN AU - Francis,D P TI - Ethics of placebo-controlled trials of zidovudine to prevent the perinatal transmission of HIV in the Third World SN - 0028-4793 PY - 1998///0319 KW - Anti-HIV Agents KW - economics KW - Clinical Trials as Topic KW - methods KW - Developing Countries KW - Ethics, Medical KW - Female KW - HIV Infections KW - prevention & control KW - Humans KW - Infectious Disease Transmission, Vertical KW - Placebos KW - Zidovudine KW - therapeutic use N1 - Publication Type: Comment; Letter ER -