Reliability, Validity, and Responsiveness of the Western Ontario and McMaster Universities Osteoarthritis Index for Elderly Patients with a Femoral Neck Fracture
Author: Burgers, Paul T.P.W..  Published in: The Journal of Bone and Joint Surgery-American Volume, v. 97  no. 9, pp. 751- 757  Date: 2015
ISSN:  0021-9355,  DOI:  10.2106/JBJS.N.00542