Piombino, P., U. Committeri, G. Norino, L. A. Vaira, S. Troise, F. Maglitto, D. Mariniello, G. De Riu, and L. Califano. “Facing COVID-19 Pandemic: Development of Custom-Made Face Mask With Rapid Prototyping System”. The Journal of Infection in Developing Countries, Vol. 15, no. 01, Jan. 2021, pp. 51-57, doi:10.3855/jidc.13384.