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- [6] QUALITY ASSURANCE PROGRAM FOR COMBUSTION SOURCE STUDIES ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1982, 184 (SEP): : 68 - ENVR
- [9] The second biennium of an external quality assurance program of dipstick urianalysis REVISTA DE INVESTIGACION CLINICA-CLINICAL AND TRANSLATIONAL INVESTIGATION, 2002, 54 (03): : 226 - 230