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2. Hemiparetic gait following stroke. Part I: Characteristics;Olney;Gait Posture,1996
3. Motor control: theory and practical applications;Shumway-Cook,2001
4. Surgical treatment of common patterns of lower limb deformities resulting from upper motoneuron syndrome;Keenan;Adv Neurol,2001
5. Gait analysis. Normal and pathological function;Perry,1992