User talk:2409:4062:215:2694:0:0:22EE:18A0

Recent edits to Hh blood group
Hello, and welcome to Wikipedia. I noticed that you made a change to an article, Hh blood group, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you! Mazewaxie ( talk  •  contribs ) 10:38, 20 October 2019 (UTC)