TY - JOUR T1 - Validity of PIRO Score as an Assessment Tool for Mortality Risk of COVID-19 Pneumonia among Patients Admitted to World Citi Medical Center from March to August 2020. A Retrospective Observational Cohort Study JO - International Journal of Coronaviruses VL - 3 IS - 4 SP - 1 EP - 9 PY - 2021/4// T2 - AU - Graciano, D. Natividad III AU - Edmart, Pastrana AU - Rizalyn, PiƱera SN - 2692-1537 DO - https://doi.org/10.14302/issn.2692-1537.ijcv-21-4045 UR - http://oap-journals.netijcv/article/1747 KW - COVID-19 KW - PIRO KW - Pneumonia ER -