Latin American Society for Pediatric Endocrinology / Mexican Society of Pediatric Endocrinology : 29th Annual Meeting of the Latin American Society for Pediatric Endocrinology and 21st Annual Congress of the Mexican Society of Pediatric Endocrinology, Mérida, November-December 2020 : Abstracts. Supplement IssueGil Guerra-Júnior, Hugo Fideleff, María Verónica Mericq, Margarita Torres-Tamayo, Blanca Estela Aguilar-Herrera · First published 2021Open the Tome