R. D. Tawfeeq, A. T. Ismael, and M. H. Alwan, “Correlation between the insertion-deletion variant of the angiotensin-converting enzyme gene and various classes of heart failure: ACE gene polymorphism in heart failure”, Cell Mol Biol (Noisy-le-grand), vol. 69, no. 13, pp. 149–155, Dec. 2023.