The responsiveness of the Shoulder Disability Questionnaire
Daniëlle A W M van der Windt, Geert J M G van der Heijden, Andrea F de Winter, Bart W Koes, Walter Devillé, Lex M Bouter
Annals of the Rheumatic Diseases Feb 1998, 57 (2) 82-87; DOI: 10.1136/ard.57.2.82