Sajid, M S The efficacy of diltiazem and glyceryltrinitrate for the medical management of chronic anal fissure: a meta-analysis. [electronic resource] - International journal of colorectal disease Jan 2008 - 1-6 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 0179-1958 Standard No.: 10.1007/s00384-007-0384-x doi Subjects--Topical Terms: Chronic DiseaseDiltiazem--adverse effectsFissure in Ano--drug therapyHeadache--chemically inducedHumansNitroglycerin--adverse effectsProspective StudiesRandomized Controlled Trials as TopicRecurrenceRisk AssessmentTreatment Outcome