[Testing some components of Gray's method of anesthesia].
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D009609:Nitrous Oxide; D059408:Pain Management; D013874:Thiopental
D013874:Thiopental; D009609:Nitrous Oxide
NITROUS OXIDE/anesthesia and analgesia; THIOPENTAL/anesthesia and analgesia