Construct Validity and Responsiveness of the Rapid Assessment of Physical Activity in Adults Living With HIV oleh Kenneth S. Noguchi, MSc, Kelly K. O'Brien, PT, PhD, Rachel L. Aubry, MSc, Soo Chan Carusone, PhD, Lisa Avery, MSc, Patricia Solomon, PhD, Ivan Ilic, MA, Zoran Pandovski, BA, Mehdi Zobeiry, MA, Ada Tang, PT, PhD