KOEPKE, G H Changes occurring in patellar reflex and electromyographic voltages in paretic quadriceps. [electronic resource] - Archives of physical medicine and rehabilitation Sep 1954 - 572-7 p. digital Publication Type: Journal Article ISSN: 0003-9993 Subjects--Topical Terms: ElectromyographyHumansParalysisPoliomyelitisQuadriceps MuscleReflexReflex, Stretch