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Hello, Marek Wagner, and Welcome to Wikipedia! Thank you for your contributions to this free encyclopedia. If you decide that you need help, check out Getting Help below, ask me on my talk page, or place {{Help me}} on your talk page and ask your question there. Please remember to sign your name on talk pages by using four tildes (~~~~) or by clicking   if shown; this will automatically produce your username and the date. Also, please do your best to always fill in the edit summary field with your edits. Below are some useful links to facilitate your involvement. Happy editing! Adrian J. Hunter(talkcontribs) 03:00, 20 February 2013 (UTC)Reply
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By the way, you might find {{cite pmid}} helpful. It allows you to enter a PMID instead of full details of a reference; a bot fills in the details later. It also automatically produces links to the cited reference. You also might be interested in WikiProject Medicine. Adrian J. Hunter(talkcontribs) 03:00, 20 February 2013 (UTC)Reply