Holschneider, A M [Effect of alpha-blocking agents on the internal anal sphincter muscle]. [electronic resource] - Zeitschrift fur Kinderchirurgie und Grenzgebiete Jun 1980 - 152-61 p. digital Publication Type: English Abstract; Journal Article ISSN: 0044-2909 Subjects--Topical Terms: AdolescentAnal Canal--drug effectsChildChild, PreschoolConstipation--drug therapyFecal Incontinence--drug therapyFemaleHumansMaleManometryPhenoxybenzamine--pharmacology