%0 Journal Article %K health policy %K health services research %K mortality (standardized mortality ratios) %K nurses %K patient safety %B  BMJ Qual Saf %D 2019 %G eng %N 8 %P 609-617 %R 10.1136/bmjqs-2018-008043 %T Nurse staffing, nursing assistants and hospital mortality: retrospective longitudinal cohort study %V 28 %1 https://www.ncbi.nlm.nih.gov/pubmed/30514780 %8 12/2019