TY - JOUR AU - Elizabeth Mackey AU - R. Demiralp AU - K. Fitzpatrick AU - Barbara Porter AU - Stephen Wise AU - P Becker AU - Robert Greenberg 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 -