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1Academic Journal
المؤلفون: EunJin Ahn
المصدر: Korean Journal of Anesthesiology, Vol 73, Iss 3, Pp 205-211 (2020)
مصطلحات موضوعية: cohort, correlation, customized research database, database, korea, national health insurance, operational definition, public health service, sample research database, statement, Anesthesiology, RD78.3-87.3
وصف الملف: electronic resource