TY - RPRT TI - National biomonitoring specimen bank NIST-Charleston laboratory: clean room and specimen bank protocols AU - Pugh, Rebecca S AU - Porter, Barbara J AU - Becker, Paul R AU - Wise, Stephen A PY - 2002 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6752 DO - 10.6028/NIST.IR.6752 ER -