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Snipstad S, Berg S, Mørch Ý, Bjørkøy A, Sulheim E, Hansen R, Grimstad I, van Wamel A, Maaland AF, Torp SH, Davies CL.Snipstad S, et al. Among authors: torp sh.Ultrasound Med Biol. 2017 Nov;43(11):2651-2669. doi: 10.1016/j.ultrasmedbio.2017.06.029. Epub 2017 Aug 3.Ultrasound Med Biol. 2017.PMID: 28781149Free article.