方法:在2001年国家癌症数据库,在美国外科医师学会的指导在719家医院下进行病人治疗评价。
METHODS: in 2001 the National Cancer Data Base, under direction of the American College of Surgeons, conducted a patient care evaluation study in 719 hospitals.
方法:在2001年国家癌症数据库,在美国外科医师学会的指导在719家医院下进行病人治疗评价。
METHODS: in 2001 the National Cancer Data Base, under direction of the American College of Surgeons, conducted a patient care evaluation study in 719 hospitals.
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