Wardle, H., Donnachie, C., Critchlow, N., Brown, A., Bunn, C., Dobbie, F., Gray, C., Mitchell, D., Purves, R., Reith, G., Stead, M. & Hunt, K. 2021, 'The impact of the initial Covid-19 lockdown upon regular sports bettors in Britain: findings from a cross-sectional online study', Addictive Behaviors, 118, article no: 106876. http://dx.doi.org/10.1016/j.addbeh.2021.106876