may It 1883.TiB BP4I$ C4L4 i T4J1,.X E seribed, and inbe: tbintfihave made ;mdre than seventy successul operations for perineal duhdering, including the pre-anal, perineal,.and perineo-anal laerations,as.wellassixforpartialand (ig.10>om-
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E. Albert Cook (1883) studied this question.