Tolerance to the Therapeutic Effect of Tadalafil Does Not Occur During 6 Months of Treatment: A Randomized, Double-Blind, Placebo-Controlled Study in Men with Erectile Dysfunction.
McMahon, Chris G. MB, BS, FAChSHM *; Carson, Culley C. MD, FACS +; Fischer, Christopher J. BS ++; Wang, Wei Christine MS [S]; Florio, Vincent A. PhD ++; Bradley, John D. MD [S]
Journal of Sexual Medicine.
3(3):504-511, May 2006.
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