Graham, C. C., Chitnis, A. J., Turner, P., Mitchell, A. J., Hardy, S., & Shiers, D. (2014). Why all GPs should be bothered about Billy. Royal College of General Practitioners.

Graham, Carolyn Chew, Anand J. Chitnis, Paul Turner, Alex J. Mitchell, Sheila Hardy, e David Shiers. Why All GPs Should Be Bothered About Billy. Royal College of General Practitioners, 2014.

Graham, Carolyn Chew, et al. Why All GPs Should Be Bothered About Billy. Royal College of General Practitioners, 2014.