Patient Controlled Analgesia. International Symposium on PCA. Genval, May 9, 1992. [electronic resource] - Acta anaesthesiologica Belgica 1992 - 1-75 p. digital Publication Type: Congress; Overall; Research Support, Non-U.S. Gov't ISSN: 0001-5164 Subjects--Topical Terms: Analgesia, Patient-Controlled