Nobel Media AB 2012
The Nobel Assembly, consisting of 50 professors at Karolinska Institutet, awards the Nobel Prize in Physiology or Medicine. Its Nobel Committee evaluates the nominations. Since 1901 the Nobel Prize has been awarded to scientists who have made the most important discoveries for the benefit of mankind.
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MLA style: "The 2012 Nobel Prize in Physiology or Medicine - Press Release". Nobelprize.org. Nobel Media AB 2013. Web. 11 Oct 2013. <http://www.nobelprize.org/nobel_prizes/medicine/laureates/2012/press.html>