The Effects of Lead Exposure on the Activities of δ-Aminolevulinic Acid Dehydratase with the Modification of the Relative GenotypesY.-W. Chiu, T.-Y. Liu and H.-Y. ChuangE3S Web of Conferences, 1 (2013) 26005DOI: https://doi.org/10.1051/e3sconf/20130126005