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Luis SA, Roper D, Incani A, Poon K, Haqqani H, Walters DL.Luis SA, et al. Among authors: poon k.Cardiol Res Pract. 2012;2012:304626. doi: 10.1155/2012/304626. Epub 2012 May 15.Cardiol Res Pract. 2012.PMID: 22666618Free PMC article.