Combining CNN and Grad-Cam for COVID-19 Disease Prediction and Visual Explanation. - Hicham Moujahid; Bouchaib Cherradi; Mohammed Al-Sarem; Lhoussain Bahatti; Abou Bakr Assedik Mohammed Yahya Eljialy; Abdullah Alsaeedi; Faisal Saeed (Intell. Autom. Soft Comput., 2022)