δ aminolevulinic acid dehydratase (ALAD) gene polymorphism of marine taskforce personnel whit routine exposure of lead suspended in airRini Puspitaningrum, Chris Adhiyanto, Nurmasari Sartono, Palgunadi Palgunadi, Solihin Solihin, Yasuhiro Yamashiro and Yukio HattoriMATEC Web Conf., 197 (2018) 06002DOI: https://doi.org/10.1051/matecconf/201819706002