BibTex format
@article{Salman:2021:10.1136/bmjopen-2021-050680,
author = {Salman, D and Beaney, T and Robb, C and Loots, CADJ and Giannakopoulou, P and Udeh-Momoh, C and Ahmadi, Abhari S and Majeed, F and Middleton, LT and McGregor, AH},
doi = {10.1136/bmjopen-2021-050680},
journal = {BMJ Open},
pages = {1--12},
title = {The impact of social restrictions during the COVID-19 pandemic on the physical activity levels of adults aged 50-92 years: a baseline survey of the CHARIOT COVID-19 Rapid Response prospective cohort study},
url = {http://dx.doi.org/10.1136/bmjopen-2021-050680},
volume = {11},
year = {2021}
}