• Validation of a risk prediction model for COVID-19: the PERIL prospective cohort study. 

      Mohammedain, Shahd A; Badran, Saif; Elzouki, AbdelNaser Y; Salim, Halla; Chalaby, Ayesha; ... more authors ( Future Medicine , 2023 , Article)
      This study aims to perform an external validation of a recently developed prognostic model for early prediction of the risk of progression to severe COVID-19. Patients were recruited at their initial diagnosis at two ...