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2. Endoscopie single-incision anterior cruciate ligament reconstruction using patellar tendon autograft;Hardin;Am J Knee Surg,1992
3. The hospital cost of total hip arthroplasty;Barber;J Bone Joint Surg Am,1993
4. Why do sicker patients cost more? A charge based analysis of patients undergoing prostatectomy;Litwin;J Urol,1993
5. Analysis of outpatient ACL surgery;Losee,1993