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Paul, Serene S., Anne Tiedemann, Leanne M. Hassett, Elisabeth Ramsay, Catherine Kirkham, Sakina Chagpar, and Catherine Sherrington. "Validity of the Fitbit Activity Tracker for Measuring Steps in Community-dwelling Older Adults." BMJ Open Sport Exerc Med 2015.

Paul, Serene S., et al. "Validity of the Fitbit Activity Tracker for Measuring Steps in Community-dwelling Older Adults." BMJ Open Sport Exerc Med 2015.