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The link you added to the Vitamin C talk page is very intersting. I have not seen it claimed anywhere else that around 15% of humans can still synthesise some vitamin C . As this paper is unsourced , unattributed and is in a Student area of the site, I would like to see other references before its added to the article. It could be someones original pet theory. If you know of any references with named authors then please add them. Thanks Lumos314:06, 16 January 2007 (UTC)[reply]
