http://en.wikipedia.org/wiki/History_of_general_anesthesia 150 years old History of general anesthesia 150 years old Ancient anaesthesia היו כנראה האמצעים הראשונים mid-19th century History of general anesthesia ether-based anesthesia History of general anesthesia History of general anesthesia with anaesthetic алкоголь или опиум History of general anesthesia general anesthesia History of general anesthesia History of general anesthesia - Wikipedia https://en.wikipedia.org/wiki/History_of_general_anesthesia History of General Anesthesia alcohol and opium Wikipedia either mid-19th century Alte AnÃ¤sthesie https://en.wikipedia.org/wiki/History_of_general_anesthesia History of general anesthesia anesthesia http://en.wikipedia.org/wiki/History_of_general_anesthesia https://en.wikipedia.org/wiki/History_of_general_anesthesia