Physical activity as a risk or protective factor for falls and fall-related fractures in non-frail and frail older adults: a longitudinal study
van Gameren, Maaike; Hoogendijk, Emiel O.; van Schoor, Natasja M.; Bossen, Daniël (Lectoraat Oefentherapie); Visser, Bart (Centre Of Expertise Urban Vitality); Bosmans, Judith E.; Pijnappels, Mirjam