Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC3029119/ Argyria: permanent skin discoloration following protracted colloid silver ingestion - PMC skin discolorationargyriapermanentfollowingprotracted https://pmc.ncbi.nlm.nih.gov/articles/PMC2861249/ A Case of Argyria Following Colloidal Silver Ingestion - PMC Argyria is a rare cutaneous discoloration caused by the intake of silver or various compounds containing silver. We report a case of argyria in a 73-year-old... a casecolloidal silverargyriafollowingingestion