Research ArticleArticle
Binding of Tritiated Sildenafil, Tadalafil, or Vardenafil to the Phosphodiesterase-5 Catalytic Site Displays Potency, Specificity, Heterogeneity, and cGMP Stimulation
Mitsi A. Blount, Alfreda Beasley, Roya Zoraghi, Konjeti R. Sekhar, Emmanuel P. Bessay, Sharron H. Francis and Jackie D. Corbin
Molecular Pharmacology July 2004, 66 (1) 144-152; DOI: https://doi.org/10.1124/mol.66.1.144