- fajance molekyle Skinnende Early Mask For Delivering Ether Photograph by Jean-loup Charmet/science Photo Library - Pixels
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- Parasit indlæg Pest Anesthesia . Fig. 66.—Lumbards Rubber. Ether Blanket and Elastic Mask Holder. The Mask.—The usual mask consists of a wire frame and metal hoopfor holding the gauze in place. When an ordinary ether