Moving instead of asking? Performance-based tests and BASFI-questionnaire measure different aspects of physical function in ankylosing spondylitis

por van Weely, Salima FE, van Denderen, J Christiaan, Steultjens, Martijn PM, van der Leeden, Marike, Nurmohamed, Michael T, Dekker, Joost, Dijkmans, Ben AC, van der Horst-Bruinsma, Irene E
Publicado 2012