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Komiyama N, Chronos NA, Uren NG, Moore MP, Kelly AB, Harker LA, Hanson SR, Metz JA, Yock PG, Fitzgerald PJ.Komiyama N, et al. Among authors: yock pg.Ultrasound Med Biol. 1999 May;25(4):561-6. doi: 10.1016/s0301-5629(99)00006-x.Ultrasound Med Biol. 1999.PMID: 10386731Free article.