Effects of physical exercise therapy on mobility, physical functioning, physical activity and quality of life in a population of community dwelling elderly patients with impaired mobility, physical disability and/ or multi morbidity: a meta analysis
de Vries, Nienke; Staal, Bart; van Ravensburg, Dorine; Hobbelen, Hans (Ageing And Allied Health Care); Olde Rikkert, Marcel; Nijhuis-van der Sande, Maria