TY - GEN AU - Schaefer,E TI - US drug regulation. AIDS politics change rules SN - 0028-0836 PY - 1991///0220 KW - Acquired Immunodeficiency Syndrome KW - drug therapy KW - Didanosine KW - therapeutic use KW - Humans KW - Legislation, Drug KW - United States KW - United States Food and Drug Administration KW - Zalcitabine N1 - Publication Type: News UR - https://doi.org/10.1038/349187a0 ER -