@article{article, title = {{The use of a smartphone app and an activity tracker to promote physical activity in the management of chronic obstructive pulmonary disease : randomized controlled feasibility study}}, publisher = {{JMIR Publications Inc.}}, url = {{http://eprints.whiterose.ac.uk/161589/ }}, year = {{2020}}, month = {{6}}, author = {{Bentley CL and Powell L and Potter S and Parker J and Mountain GA and Bartlett YK and Farwer J and O'Connor C and Burns J and Cresswell RL and Dunn HD et al}}, doi = {{10.2196/16203}}, volume = {{8}}, journal = {{JMIR mHealth and uHealth}}, issue = {{6}}, note = {{Accessed on 2024/10/23}}}