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Radomirov R, Ivancheva C, Itzev D, Petkova-Kirova P. Locality-dependent descending reflex motor activity in the anal canal–cholinergic and nitrergic contributions in the rat model. Acta Pharmacologica Sinica. 2009 Aug 24;30(9):1276–82. doi: 10.1038/aps.2009.121. |