Dr. G. Ramya Balaprabha, Shaik Nurani, Kadimella Sai Maheswari, Patlolla Priyanka, Madhuri Shruthin, and T. Ramarao. 2022. “A Retrospective Analysis of Covid-19 Patients in Relationship Between Sex, Age, and Comorbidities”. International Journal of Pharma and Bio Sciences 13 (4):41-45. https://doi.org/10.22376/Ijpbs.2022.13.4.p41-45.