https://www.orpha.net/consor/cgi-bin/index.php?lng=IT (portale sulle malattie rare e le terapie)

https://www.thelancet.com/pdfs/journals/lancet/PIIS0140-6736%2815%2960696-1.pdf (Scienza Medica e Co.)

https://www.cebm.net/oxford-covid-19-evidence-service (aggiornamenti covidiani internazionali)