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Hayat Roshanai A, Nordin K, Berglund G.Hayat Roshanai A, et al. Among authors: berglund g.Acta Oncol. 2013 Nov;52(8):1602-8. doi: 10.3109/0284186X.2012.762998. Epub 2013 Feb 19.Acta Oncol. 2013.PMID: 23421929Clinical Trial.