https://twitter.com/alecassini18 (esperto di sanità internazionale)

http://www.simpios.eu/wp-content/uploads/2020/07/10.20-CASSINI.pdf

https://www.panoramasanita.it/2021/05/05/una-piaga-diffusa-e-letale (Dr. Alessandro Cassini)

https://conference.icpic.com (International Conference on prevention and infection control)