Urethral dysfunction due to alloxan-induced diabetes: urodynamic evaluation and action of sildenafil citrate - Pegorare, Ana Beatriz Gomes de Souza; Gonçalves, Marco Antonio; Oliveira, Alessandra Martiniano de; Rodrigues Júnior, Antonio Antunes; Tucci Júnior, Silvio; Suaid, Haylton Jorge (Acta Cirúrgica Brasileira, 2014)