PT - JOURNAL ARTICLE ED - , TI - 6 themes described patients’ information needs related to patient controlled analgesia AID - 10.1136/ebn.6.3.93 DP - 2003 Jul 01 TA - Evidence Based Nursing PG - 93--93 VI - 6 IP - 3 4099 - http://ebn.bmj.com/content/6/3/93.short 4100 - http://ebn.bmj.com/content/6/3/93.full SO - Evid Based Nurs2003 Jul 01; 6