Tjandra, J J Endoluminal ultrasound is preferable to electromyography in mapping anal sphincteric defects. [electronic resource] - Diseases of the colon and rectum Jul 1993 - 689-92 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0012-3706 Standard No.: 10.1007/BF02238597 doi Subjects--Topical Terms: AdultAgedAged, 80 and overAnal Canal--diagnostic imagingAnus Diseases--diagnosisCicatrix--diagnostic imagingElectrodes, Implanted--adverse effectsElectromyography--adverse effectsFecal Incontinence--diagnosisFemaleFibrosisHumansMaleManometryMiddle AgedPain--etiologyProspective StudiesTransducersUltrasonography