title: Alterations in response to somatic pain associated with anaesthesia. XX. Ketamine.
mesh_terms: D000698:Analgesia; D000700:Analgesics / Q000627:therapeutic use*; D000768:Anesthesia, General; D001285:Atropine; D003510:Cyclohexanes / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007649:Ketamine; D009892:Opium; D010146:Pain / Q000517:prevention & control*; D011229:Preanesthetic Medication; D013874:Thiopental
chemical_list: D000700:Analgesics; D003510:Cyclohexanes; D007649:Ketamine; D001285:Atropine; D009892:Opium; D013874:Thiopental