Emergence of the free agent nurse workforce.
D002983:Clinical Competence / Q000592:standards; D003284:Contract Services / Q000458:organization & administration*; D006801:Humans; D009740:Nursing Staff / Q000193:education / Q000600:supply & distribution*; D010561:Personnel Staffing and Scheduling / Q000458:organization & administration*; D012042:Registries; D014195:Travel