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Magnussen CG, Fryer J, Venn A, Laakkonen M, Raitakari OT.Magnussen CG, et al. Among authors: fryer j.Ultrasound Med Biol. 2006 Sep;32(9):1323-9. doi: 10.1016/j.ultrasmedbio.2006.05.009.Ultrasound Med Biol. 2006.PMID: 16965972