Sahan S, Karamanlioglu M, Sahan E. Relationship between mitral annular calcification and first degree atrioventricular block in elderly. Ann Med Res [Internet]. 2023 Aug. 25 [cited 2026 Sep. 16];30(8):905-9. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/4482