A Comparison of Two Measures of Physical Activity Among Adults with Physical Disabilities: The Issue of Scale Correspondence
Journal of Developmental and Physical Disabilities (2009) - Comment
doi: 10.1007/s10882-009-9150-z  issn: 1056-263x  issn: 1573-3580 

Rebecca Ellis, Maria Kosma, Bradley J. Cardinal, Jeremy J. Bauer, Jeffrey A. McCubbin