TY - RPRT TI - Topical diltiazem and bethanechol decrease anal sphincter pressure and heal anal fissures without side effects. AU - E A Carapeti AU - M A Kamm AU - R K Phillips PY - 2000 DO - 10.1007/bf02236630 UR - https://pubmed.ncbi.nlm.nih.gov/11052511/ ID - 11052511 ER -