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本研究根据美国50个州和哥伦比亚地区各医疗机构的登记资料,比较了1983年与1994年十大常行手术数的概况。作为信息资料,可供参考。
Based on the registration data of medical institutions in 50 US states and Colombia regions, this study compares the top ten surgical operations performed in 1983 and 1994. As information materials, for reference.