References
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- Finnegan J. K., Larson P. S., Smith R. B., Haag H. B., Hennigar G. R. Arch. Int. Pharmacodyn. 1958; 114: 38
- Luckey T. D., Venugopal B., Hutcheson D. Heavy Metal Toxicity, Safety and Hormology. G. Thieme Publishers, Stuttgart 1975