Anesthetic of preference for the poor-risk patient.
D000777:Anesthetics; D001775:Blood Circulation; D003521:Cyclopropanes / Q000494:pharmacology; D004987:Ethers / Q000494:pharmacology; D006221:Halothane / Q000494:pharmacology; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology; D011300:Preoperative Care; D012119:Respiration
D000777:Anesthetics; D003521:Cyclopropanes; D004987:Ethers; D009609:Nitrous Oxide; D006221:Halothane