Freemantle, N, Khalaf, K, Loveman, C, Stanisic, S, Gultyaev, D, Lister, J & Drake, M 2016, ' OnabotulinumtoxinA in the treatment of overactive bladder : a cost-effectiveness analysis versus best supportive care in England and Wales ', European Journal of Health Economics, vol. 17, no. 7, pp. 911-921 . https://doi.org/10.1007/s10198-015-0737-2