User talk:2600:1700:40A0:49D0:E4B2:4EC6:59E:64B

March 2020
Hello, I'm Zefr. I wanted to let you know that one or more of your recent contributions to Kidney stone disease have been undone because they 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. Zefr (talk) 00:53, 6 March 2020 (UTC)
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