Povero, Massimiliano, and Lorenzo Pradelli. “Comparison Between Traditional and Goal Directed Perfusion in Cardiopulmonary by-Pass. A Differential Cost Analysis in US”. Farmeconomia. Health Economics and Therapeutic Pathways, vol. 16, no. 3, Sept. 2015, pp. 77-86, doi:10.7175/fe.v16i3.1200.