Porter, G Patient-controlled analgesia--an anaesthetist's view. [electronic resource] - The British journal of theatre nursing : NATNews : the official journal of the National Association of Theatre Nurses Aug 1991 - 13-4 p. digital Publication Type: Journal Article ISSN: 1353-0224 Subjects--Topical Terms: Analgesia, Patient-Controlled--methodsAnesthesiologyHumans