Humaira, M. .; Hafez Thebo, A. .; Ul Hadi, J.; Durrani, R. .; Zakaria, K. .; Ali Shaikh, M.; Hussain Phul, A. . Causes of Mortality in Hospitalized, PCR Positive Patients of Covid-19 At Tertiary Care Hospital of Sindh Pakistan: Causes of Mortality in Hospitalized, PCR Positive Patients of Covid-19. PJHS 2023, 4, 91-94.