Xynos, E Anal manometry in patients with fissure-in-ano before and after internal sphincterotomy. [electronic resource] - International journal of colorectal disease Sep 1993 - 125-8 p. digital Publication Type: Journal Article ISSN: 0179-1958 Standard No.: 10.1007/BF00341183 doi Subjects--Topical Terms: Anal Canal--physiopathologyFemaleFissure in Ano--physiopathologyHumansManometryMiddle AgedProspective Studies