1CLSI.Method Comparison and Estimation Using Patient Samples; Approved Guideline-Second Edition[S].EP9-A2,2002,22 (19):1-52.
2U.S.Department of Health and human Services.Medicare,Medicald and CLIA program:Regulations implementing the Clinical Laboratory Improvement Amendment of 1988(CLIA).Final rule.Fed Regist,1992,57 (40):7002-7186.