| "Use of botulinum toxin in anal fissure" | Jost W, Schimrigk K 1993 |
|---|---|
| "New Therapy Coming for Anal Fissures" | "Topical diltiazem and bethanechol decrease anal sphincter pressure and heal anal fissures without side effects" |
Carapeti E, Kamm M, Phillips R 2000.