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Ultrasonic bone assessment: "the time has come".
Siffert RS, Kaufman JJ. Siffert RS, et al. Bone. 2007 Jan;40(1):5-8. doi: 10.1016/j.bone.2006.07.018. Epub 2006 Sep 1. Bone. 2007. PMID: 16949900 Free PMC article. Review. No abstract available.