Verbeek, R J In spina bifida aperta, muscle ultrasound can quantify the "second hit of damage". [electronic resource] - Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery Mar 2013 - 469-74 p. digital Publication Type: Journal Article ISSN: 1433-0350 Standard No.: 10.1007/s00381-012-1947-x doi Subjects--Topical Terms: Case-Control StudiesCross-Sectional StudiesHumansInfantInfant, NewbornLegLongitudinal StudiesMeningomyelocele--complicationsMuscle, Skeletal--diagnostic imagingNeuromuscular Diseases--complicationsParalysis--complicationsReference ValuesRetrospective StudiesSpina Bifida Cystica--complicationsUltrasonography