[Determination of impurities in anaesthetic ether by GC/MS method (author's transl)].
D000777:Anesthetics / Q000032:analysis*; D004340:Drug Contamination; D004986:Ether / Q000032:analysis*; D005019:Ethyl Ethers / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry
D000777:Anesthetics; D005019:Ethyl Ethers; D004986:Ether