Scommegna, Federica, Angelo Errico, Marialuisa Doronzo, Luigi Cannito, and Giuseppe Guglielmi. 2023. “Experimental Study on Positioning Uncertainty of Patients Treated With Stereotactic Encephalic Radiotherapy Using Surgical Mask in Covid-19 Era: Analysis of Dosimetric and Set-up Parameters”. Journal of Advanced Health Care 5 (4). https://doi.org/10.36017/jahc202354293.