Risk adjustment in nursing effectiveness research.
Maas
M L
ML
University of Iowa, Iowa City 52242, USA.
Kerr
P
P
D006801:Humans; D015403:Nursing Evaluation Research / Q000458:organization & administration*; D017063:Outcome Assessment, Health Care / Q000458:organization & administration*; D012107:Research Design; D020379:Risk Adjustment / Q000458:organization & administration*