%0 Journal Article %B BMJ Qual Saf %D 2013 %G eng %N 4 %P 278-89 %R 10.1136/bmjqs-2012-001330 %T Methodological variations and their effects on reported medication administration error rates. %V 22 %1 https://www.ncbi.nlm.nih.gov/pubmed/23322752 %8 04/2013