User talk:Channingspiegel

February 2017
Hello, I'm Drewmutt. I noticed that you made a change to an article, High-altitude adaptation in humans, 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. Drewmutt ( ^ᴥ^ ) talk  03:54, 8 February 2017 (UTC)