Intraluminal esophageal pressures in speaking and non-speaking laryngectomies - Ricz, Lilian Neto Aguiar; Dantas, Roberto Oliveira; Ricz, Hilton Marcos Alves; Mello-Filho, Francisco Veríssimo; Mamede, Rui Celso Martins; Perdoná, Gleici Castro (Congress of the European Laryngological Society, 2008)