Daily physical activity in ankylosing spondylitis: validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments

por Arends, Suzanne, Hofman, Marianne, Kamsma, Yvo PT, der Veer, Eveline van, Houtman, Pieternella M, Kallenberg, Cees GM, Spoorenberg, Anneke, Brouwer, Elisabeth
Publicado 2013