User talk:59.91.111.108

July 2021
Hello, I'm Patient Zero. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Chloride shift—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Patient Zerotalk 02:44, 6 July 2021 (UTC)