Manuel, Aparicio Rodríguez Juan, Barrientos Pérez Margarita, and Sergio Chatelain Mercado. 2014. “Chromosome Aberrations in a Mexican Pediatric Hospital. Ring Chromosomes 4, 13 and 18”. Journal of Asian Scientific Research 4 (6):280-91. https://archive.aessweb.com/index.php/5003/article/view/3641.