Obesity Treatment with Botulinum Toxin-A Is Not Effective: a Systematic Review and Meta-Analysis - Bustamante, Fabio; Brunaldi, Vitor Ottoboni; Bernardo, Wanderley Marques; Moura, Diogo Turiani Hourneaux de; Moura, Eduardo Turiani Hourneaux de; Galvão, Manoel; Santo, Marco Aurelio; Moura, Eduardo Guimarães Hourneaux de (Obesity Surgery, 2017)