Topical diltiazem ointment in the treatment of anal fissure

Topical diltiazem ointment in the treatment of chronic anal fissure

A randomized, prospective, double-blind, placebo-controlled trial of the effect of a calcium channel blocker ointment on pain after hemorrhoidectomy.

Diltiazem heals glyceryl trinitrate-resistant chronic anal fissures: a prospective study.

A randomized trial of oral vs. topical diltiazem for chronic anal fissures.

Successful treatment of chronic anal fissure with diltiazem gel.