TY - GEN AU - Baum,J TI - [John Snow (1813-1858): experimental studies on rebreathing of anesthetic gases in exhaled air] SN - 0939-2661 PY - 1995///0417 KW - Anesthesia, Closed-Circuit KW - history KW - Anesthetics, Inhalation KW - Animals KW - History, 19th Century KW - Humans KW - United States N1 - Publication Type: Biography; Historical Article; Journal Article; Portrait UR - https://doi.org/10.1055/s-2007-996444 ER -