Bibliografia

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Mitragotri S., Edwards D.A., Blankschtein D., Langer R., A mechanistic study of ultrasonically-enhanced transdermal drug delivery. J. Pharm. Sci. 84(6): 697-706, 1995.

Mooney V., Saal J.A., Saal J.S., Evaluation and treatment of low back pain . Clin. Symp. 48(4): 1-32, 1996.

Nussbaum E., Ultrasound: to heat or not to heat - that is the question . Phys. Ther.Rev. 2: 59-72, 1997.

Tennant F., Moll D., DePaulo V., Topical morphine for peripheral pain . The Lancet n. 8878, p. 1047, 1994.