An anal fissure is a/represents/occurs as a small/tiny/minute tear in the lining of the anus. This painful condition can be triggered by/stems from/results from various factors, including hard https://m.facebook.com/proctologiaclinica/videos/a-fissura-anal-%C3%A9-uma-patologia-comum-no-dia-a-dia-do-coloproctologista-em-geral-/1036713350918143/