Comparison of the Efficacy of OnabotulinumtoxinA and AbobotulinumtoxinA at the 1:3 Conversion Ratio for the Treatment of Asymmetry after Long-Term Facial Paralysis - do Nascimento Remigio, Adelina Fatima; Salles, Alessandra Grassi; de Faria, José Carlos Marques; Ferreira, Marcus C. (Plastic and Reconstructive Surgery, 2015)