The helper model: nine ways to make it work.
Metcalf
K M
KM
D003695:Delivery of Health Care; D006801:Humans; D016294:Models, Nursing; D009718:Nurse Administrators; D009732:Nursing Care; D009741:Nursing Staff, Hospital / Q000706:statistics & numerical data; D010561:Personnel Staffing and Scheduling / Q000458:organization & administration; D000078329:Workforce