Is the International Physical Activity Questionnaire-Short Form (IPAQ-SF) valid for assessing physical activity in chronic fatigue syndrome??

Author: Meeus Mira   Van Eupen Inge   Willems Joke   Kos Daphne   Nijs Jo  

Publisher: Informa Healthcare

ISSN: 1464-5165

Source: Disability and Rehabilitation, Vol.33, Iss.1, 2011-04, pp. : 9-16

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Abstract