Clinical-epidemiological characterization of patients with cardiac arrhythmias at the Hermanos Cordové Pediatric Hospital in Manzanillo (Original). REDEL [Internet]. 2023 Nov. 2 [cited 2024 Jul. 22];8(1):1-14. Available from: https://revistas.udg.co.cu/index.php/redel/article/view/4263