New anesthetic agent as a substitute for sulphuric ether in surgery and midwifery.
D000776:Anesthesiology / Q000266:history*; D000777:Anesthetics; D004987:Ethers; D006801:Humans; D008880:Midwifery; D009774:Obstetrics / Q000266:history*; D011247:Pregnancy
D000777:Anesthetics; D004987:Ethers
ANESTHESIOLOGY/history; OBSTETRICS/history