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Holm S, Näsholm SP.Holm S, et al. Among authors: nasholm sp.Ultrasound Med Biol. 2014 Apr;40(4):695-703. doi: 10.1016/j.ultrasmedbio.2013.09.033. Epub 2014 Jan 13.Ultrasound Med Biol. 2014.PMID: 24433745