%0 Journal Article %K Health Services Research %K Patient Safety %K Quality Measurement %B BMJ Qual Saf %D 2014 %G eng %N 3 %P 215-22 %R 10.1136/bmjqs-2013-002218 %T Do variations in hospital mortality patterns after weekend admission reflect reduced quality of care or different patient cohorts? A population-based study. %V 23 %1 https://www.ncbi.nlm.nih.gov/pubmed/24163392 %8 03/2014