%0 Journal Article %B Am J Health Syst Pharm %D 2008 %G eng %N 5 %P 429-40 %R 10.2146/ajhp070194 %T Medication errors involving patient-controlled analgesia. %V 65 %1 https://www.ncbi.nlm.nih.gov/pubmed/18281735 %8 03/2008