Bonsignore, Luca Tommaso, et al. “Coma and Vegetative States: State of the Art and Proposal of a Novel Approach Combining Existing Coma Scales”. Annali dell’Istituto Superiore Di Sanità, vol. 50, no. 3, Sept. 2014, pp. 241-8, https://annali.iss.it/index.php/anna/article/view/56.