NONE of us could imagine delivering an inhalational anesthetic in the absence of oxygen. It wasn't always that way. In this issue of Anesthesiology, George S. Bause, M.D., presents the unlikely history behind the recognition that specialized equipment is necessary to deliver both oxygen and anesthetics in a controlled manner.1 This article and its attendant cover image provide a platform for introducing a new feature in Anesthesiology (fig. 1)
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机译：我们谁都无法想象在没有氧气的情况下提供吸入麻醉药。并非总是这样。在本期《麻醉学》中，医学博士George S. Bause提出了不太可能的历史，即认识到必须使用专用设备以受控方式输送氧气和麻醉剂。1本文及其附带的封面图片提供了一个介绍麻醉剂的平台。麻醉学的新功能（图1）
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