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2. Energy cost of walking in normal children and in those with cerebral palsy: comparison of heart rate and oxygen consumption;Rose;J Ped Orthopaed,1989
3. Oxygen intake and walking speed before and after total hip replacement;Arborelius;Clin Orthop,1976
4. Energy cost of walking with hip joint impairment;Gussoni;Phys Ther,1990
5. Walking efficiency after cemented and noncemented total hip arthroplastic;Mattsson;Clin Orthop,1990