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Esselstyn JA, Achmadi AS, Rowe KC.Esselstyn JA, et al.Biol Lett. 2012 Dec 23;8(6):990-3. doi: 10.1098/rsbl.2012.0574. Epub 2012 Aug 22.Biol Lett. 2012.PMID: 22915626Free PMC article.