Semantic confusion and differentiation between general anesthesia and relative analgesia. Indications for and recognition of the analgesic stage.
D000698:Analgesia; D000766:Anesthesia, Dental; D000769:Anesthesia, Inhalation; D001007:Anxiety / Q000517:prevention & control; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology; D010100:Oxygen / Q000097:blood; D010146:Pain / Q000517:prevention & control
D009609:Nitrous Oxide; D010100:Oxygen