Dari, S. et al. 2014. Pharmacoeconomic aspects related to the 13-valent pneumococcal conjugate vaccine: preliminary analysis of the data from the ASL of Viterbo. Farmeconomia. Health economics and therapeutic pathways. 15, 4 (Dec. 2014), 155–159. DOI:https://doi.org/10.7175/fe.v15i4.980.