Brickwood KJ, Ahuja KDK, Watson G, O’Brien JA, Williams AD
Effects of Activity Tracker Use With Health Professional Support or Telephone Counseling on Maintenance of Physical Activity and Health Outcomes in Older Adults: Randomized Controlled Trial
JMIR Mhealth Uhealth 2021;9(1):e18686
URL: mhealth.jmir.org/2021/1/e18686
DOI: 10.2196/18686
PMID: 33399541