J. K. Fajar, F. . Tamara, W. . Putranto, N. A. Prabowo, and H. . Harapan, “Insertion/deletion (I/D) polymorphisms of angiotensin-converting enzyme gene and their implications for susceptibility and severity of COVID-19: A systematic review and meta-analysis”, Narra J, vol. 4, no. 3, p. e727, Dec. 2024.