Effects of electromyographic biofeedback as an adjunctive therapy in the treatment of swallowing disorders: a systematic review of the literature. - Albuquerque, Lucas C. Aragão; Pernambuco, Leandro; da Silva, Camila M.; Chateaubriand, Marina Moura; da Silva, Hilton Justino (European Archives of Oto-Rhino-Laryngology, 2019)