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Progressive Effects of Sildenafil on Visual Processing in Rats.
Østergaard FG, Wade AR, Siebner HR, Christensen KV, Laursen B. Østergaard FG, et al. Neuroscience. 2020 Aug 10;441:131-141. doi: 10.1016/j.neuroscience.2020.06.033. Epub 2020 Jun 30. Neuroscience. 2020. PMID: 32615234 Free article.