Shafik, Ahmed Effect of external anal sphincter contraction on the ischiocavernosus muscle and its suggested role in the sexual act. [electronic resource] - Journal of andrology - 40-4 p. digital Publication Type: Journal Article ISSN: 0196-3635 Standard No.: 10.2164/jandrol.05049 doi Subjects--Topical Terms: AdultAnal Canal--physiologyAnesthetics, Local--administration & dosageCoitus--physiologyFemaleHumansLidocaine--administration & dosageMaleMiddle AgedMuscle ContractionMuscle, Smooth--physiologyPenis--physiology