RT Journal Article SR Electronic T1 Pain prevalence at a Swedish university hospital: 65% of inpatients reported pain in the past 24 h JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 40 OP 41 DO 10.1136/ebnurs-2011-100047 VO 15 IS 2 A1 Gareth Parsons YR 2012 UL http://ebn.bmj.com/content/15/2/40.abstract AB