Defining efficiency requires more fidelity.
Sanders
D
D
Grayling
M
M
Lillie
H
H
D019644:Arthroplasty, Replacement, Hip; D017598:Efficiency, Organizational / Q000592:standards*; D004739:England; D006801:Humans; D009873:Operating Rooms / Q000458:organization & administration*; D011785:Quality Assurance, Health Care / Q000379:methods*; D013503:Surgery Department, Hospital / Q000458:organization & administration