@book{219886, author = {P Parsons and J Chisolm and H Delves and R Griffin and Elaine Gunter and W Slavin and N Stanton and Robert Vocke}, title = {Analytical Procedures for the Determination of Lead in Blood and Urine; Proposed Guidelines}, year = {1998}, number = {18}, month = {1998-08-01}, publisher = {NCCLS, -1}, language = {en}, }