Zailina H et al. 2004. THE USE OF BLOOD LEAD AND DELTA AMINOLEVULINIC AS INDICATORS OF LEAD EXPOSURE IN PRIMARY SCHOOL CHILDREN IN SOUTHERN MALAYSIA . Malaysian Journal of Public Health Medicine. 4, 1 (Mar. 2004), 47–54. DOI:https://doi.org/10.37268/mjphm/vol.4/no.1/art.1319.