Does bariatric surgery improve cardiac autonomic modulation assessed by heart rate variability?: a systematic review - Benjamim, Cicero Jonas R.; Pontes, Yasmim Mota de M.; Sousa Júnior, Francisco Welington de; Porto, Andrey Alves; Bueno Júnior, Carlos Roberto; Silva, Amanda A. Marcelino da; Cavalcante, Taisy C. Ferro; Garner, David M.; Valenti, Vitor Engrácia (Surgery for Obesity and Related Diseases, 2021)