User talk:180.190.91.41

June 2016
Hello, I'm MRD2014. I noticed that you made a change to an article, Catheter, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. — MRD2014 T C 14:15, 7 June 2016 (UTC)
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Hello, I'm Materialscientist. I wanted to let you know that one or more of your recent contributions to Catheter has been undone because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Materialscientist (talk) 15:52, 7 June 2016 (UTC)
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