BibTex format
@article{Lewis:2021:10.1136/bmjresp-2021-000996,
author = {Lewis, A and Philip, KEJ and Lound, A and Cave, P and Russell, J and Hopkinson, NS},
doi = {10.1136/bmjresp-2021-000996},
journal = {BMJ Open Respiratory Research},
pages = {1--7},
title = {The physiology of singing and implications for 'Singing for Lung Health' as a therapy for individuals with chronic obstructive pulmonary disease},
url = {http://dx.doi.org/10.1136/bmjresp-2021-000996},
volume = {8},
year = {2021}
}