In-vitro and in-vivo transdermal iontophoretic delivery of tramadol, a centrally acting analgesic.
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Takasuga S, Yamamoto R, Mafune S, Sutoh C, Kominami K, Yoshida Y, Ito M, Kinoshita M.
J Pharm Pharmacol. 2011 Nov;63(11):1437-45. doi: 10.1111/j.2042-7158.2011.01355.x. Epub 2011 Sep 27.