@misc{8519, author = {A. Pate and M. Barrowman and D. Webb and J. Pimenta and K. Davis and R. Williams and T. Van Staa and M. Sperrin}, title = {Study investigating the generalisability of a COPD trial based in primary care (Salford Lung Study) and the presence of a Hawthorne effect}, year = {2018}, journal = {BMJ Open Respir Res}, volume = {5}, number = {1}, pages = {e000339}, issn = {2052-4439 (Print) 2052-4439}, doi = {10.1136/bmjresp-2018-000339}, }