Jane E Ball

Nurse staffing, nursing assistants and hospital mortality: retrospective longitudinal cohort study

Jim Briggs, Antonello Maruotti, Peter Griffiths, 2018, BMJ Quality & Safety.

Nursing skill mix in European hospitals: cross-sectional study of the association with mortality, patient ratings, and quality of care

Matthew D. McHugh, Walter Sermeus, Peter Griffiths, 2016, BMJ Quality & Safety.

‘Care left undone’ during nursing shifts: associations with workload and perceived quality of care

Peter Griffiths, Trevor Murrells, A. Rafferty, 2013, BMJ quality & safety.