jm SilverL§https://phys.org/news/2018-10-scientists-deeper-silver-bacteria.html
Scientists seek a deeper understanding of how silver kills bacteria
October 3, 2018 by Mark Lowey,
https://whatsonchain.com/tx/fbbe8ca811d9b5e30999aa0591cb6bdd794992b3228fba8904ea817a55730ce3