The differential effects of carbon dioxide and nitrous oxide inhalation therapies upon anxiety symptoms under permissive and nonpermissive conditions.
D001007:Anxiety; D001008:Anxiety Disorders / Q000628:therapy*; D002245:Carbon Dioxide / Q000627:therapeutic use*; D006801:Humans; D009497:Neurotic Disorders; D009609:Nitrous Oxide / Q000627:therapeutic use*; D011613:Psychotherapy; D012138:Respiratory Therapy
D002245:Carbon Dioxide; D009609:Nitrous Oxide
CARBON DIOXIDE/therapeutic use; NEUROSES, ANXIETY/therapy; NITROUS OXIDE/therapeutic use; PSYCHOTHERAPY