1. 1. Martindale, The extra pharmacopoeia , 28th edn. London: The Pharmaceutical Press, 1982 : 942 .
2. Systemic argyria secondary to topical silver nitrate
3. 3. M. Fourcroy, La medicine eclairee par les sciences physiques, ou journal des decouvertes relatives aux differentes parties de l'art de guerir. Paris: Buisson, 1791 : No 20, 342 -3 .
4. Silver poisoning associated with an antismoking lozenge.
5. Argyria presenting as cyanotic heart disease