Modified ether mask for simultaneous administration of ether, air, and oxygen.
D000776:Anesthesiology / Q000295:instrumentation*; D004986:Ether; D004987:Ethers; D006801:Humans; D008397:Masks; D010100:Oxygen
D004987:Ethers; D004986:Ether; D010100:Oxygen
ANESTHESIOLOGY/apparatus and instruments