TY - GEN AU - Griffiths,Peter TI - RN+RN=better care? What do we know about the association between the number of nurses and patient outcomes? SN - 1873-491X PY - 2009///1015 KW - Effect Modifier, Epidemiologic KW - Evidence-Based Nursing KW - organization & administration KW - Humans KW - Nursing Evaluation Research KW - Nursing Staff KW - supply & distribution KW - Outcome Assessment, Health Care KW - Personnel Staffing and Scheduling KW - Quality of Health Care KW - Safety Management KW - Workload KW - statistics & numerical data N1 - Publication Type: Editorial; Review; Comment UR - https://doi.org/10.1016/j.ijnurstu.2009.07.007 ER -