5Onunkwor B, Dosumu O, Odukoya OO, et al. Biomarkers of lead exposure in petrol station attendants and auto-mechanics in Abeokuta, Nigeria: effect of 2 week ascorbic acid supplementation [J]. Environmemal Toxicology and Pharmacology, 2004, 17 (3): 169- 176.
6AposhianHV, Maiorinoa RM, Gonzalez Ramirez D, et al. Mobilization of heavy metals by newer, therapeutically useful chela tingagents[J]. Toxicology, 1995, 97 (1 3): 23-38.
7Brown MJ, Willis T, Omalu B, et al. Deaths Resulting From Hypocalcemia After dministration of Edetate Disodium: 2003- 2005 [J]. Pediatrics, 2006, 118 (2): e534-e536.
8Taylor A, Hagan P, Alazraki N, et al. Tissue Distribution of 203Pb -Acetate: Comparison with 67Ga -Citrate as an Abscess- Localizing Agent [J]. The Journal of Nuclear Medicine, 1976, 17 (9):800 -804.