“Anesthetic Management of a Patient With Dilated Cardiomyopathy by Combined Spinal-Epidural Anesthesia (case Report) ”. Annals of Medical Research 5, no. 4 (May 25, 2021): 0289–0292. Accessed September 1, 2025. http://www.annalsmedres.org/index.php/aomr/article/view/2697.