TY - SER AU - Parsons, P AU - Chisolm, J AU - Delves, H AU - Griffin, R AU - Gunter, Elaine AU - Slavin, W AU - Stanton, N AU - Vocke, Robert C2 - NCCLS, -1 DA - 1998-08-01 LA - en M1 - 18 PB - NCCLS, -1 PY - 1998 TI - Analytical Procedures for the Determination of Lead in Blood and Urine; Proposed Guidelines ER -