A comprehensive systematic review of the development process of 104 patient-reported outcomes (PROs) for physical activity in chronically ill and elderly people

Bibliographic Details
Main Authors: Frei, Anja, Williams, Kate, Vetsch, Anders, Dobbels, Fabienne, Jacobs, Laura, RĂ¼dell, Katja, Puhan, Milo A
Format: Online
Language:English
Published: BioMed Central 2011
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3311097/