Tizanidine as an Adjunct to Alpha-Blockers in Adults With Dysfunctional Voiding/Poor Relaxation of the External Sphincter: A Retrospective Review. - Agarwal MM; Bhaskar V; Gupta SK; Singh S; Chowdhary SK; Mishra V; Agnihotri R; Rathore DK (Lower urinary tract symptoms, 2026)