User talk:86.91.57.21

March 2019
Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Hair analysis (alternative medicine) 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. Materialscientist (talk) 22:44, 10 March 2019 (UTC)
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June 2019
Hello, I'm CLCStudent. I wanted to let you know that one or more of your recent contributions to Lithium (medication) have been [ disallowed by an edit filter] because they did not appear constructive. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page, which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Also feel free to ask for assistance at the Help Desk whenever you like to. Thank you. CLCStudent (talk) 16:07, 3 June 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.