4Robertson M,chan TS.APLAC interpretation and guidance on the esti mation of uncertainty of measurement in testing [J].J AOAC Int,2003,86(5):1070-1076.
6Bentley RE.Environmental monitoring programs vs good laboratory practice (GLP) programs:differences and similarities [J].Qual Assur,1995,4(4):283-287.
7Lawrence J,McQuaker.Good laboratory practice and laboratory accreditation[J].Qual Assur,1993,2(4):332-338.
8Kawanok K.Quality control survey implemented by Japan Medical Association and standardization of external quality assessment in Japan[J].Rinsho Byori,2001,49(9):860-863.
