1. Bentleys Textbook of Pharmaceutics. 8th ed., Bailliere & Tindall, London, 1977.
2. The influence of large doses of vitamin C on physiological functioning;Benton;Psychopharmacol.,1981
3. Lead poisoning;Boeckx;Anal. Chem.,1986
4. Exposure to lead;Bryce-Smith;Lancet,1981
5. Billiary excretion of lead in the rat;Castellino;Brit. J. Ind. Med.,1966