TY - JOUR AU - Mackey, Elizabeth AU - Demiralp, R. AU - Fitzpatrick, K. AU - Porter, Barbara AU - Wise, Stephen AU - Becker, P AU - Greenberg, Robert C2 - Science of the Total Environment DA - 1999-12-01 LA - en M1 - 226 PB - Science of the Total Environment PY - 1999 TI - Quality Assurance in Analysis of Cryogenically Stored Liver Tissue Specimens From the NIST National Biomonitoring Specimen Bank NBSB ER -