D. B. Shrestha, P. Budhathoki, A. Sharma, K. Amgain, E. Rawal, and S. Khadka, “Hydroxychloroquine with or without Macrolide and Standard of Care versus Standard of Care Alone for COVID-19 Cases: A Systematic Review and Meta-Analysis”, Europasian J Med Sci., vol. 2, pp. 138-149, Dec. 2021.