Reliability and validity of the short questionnaire to assess health-enhancing physical activity (SQUASH) in patients after total hip arthroplasty

por Wagenmakers, Robert, Akker-Scheek, Inge van den, Groothoff, Johan W, Zijlstra, Wiebren, Bulstra, Sjoerd K, Kootstra, Johan WJ, Wendel-Vos, GC Wanda, van Raaij, Jos JAM, Stevens, Martin
Publicado 2008