TY - GEN AU - Bacon,D R TI - A history of nurse anesthesia? SN - 0003-2999 PY - 1991///0321 KW - History, 20th Century KW - Nurse Anesthetists KW - history KW - Societies, Medical KW - United States N1 - Publication Type: Historical Article; Letter UR - https://doi.org/10.1213/00000539-199103000-00031 ER -