Deligannu P, Hashim Z, Elias SM, Aris AZ. Total Mercury (THg), Lead (Pb), Cadmium (Cd) and Arsenic (As) in Hair Samples: Method Validation and Quantification among Women at Reproductive Age in Selangor. IJSBAR. 2015;24(4):332-347. Accessed August 5, 2026. https://gssrr.org/JournalOfBasicAndApplied/article/view/4749