title: Electromyographic investigation of the superficial sphincter ani muscle in healthy children.
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D001003:Anal Canal / Q000502:physiology*; D002648:Child; D004567:Electrodes, Implanted; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D009132:Muscles / Q000502:physiology*