Doi:10.1016/j.cub.2006.01.016
Current Biology Vol 16 No 2 R44 Viagra slows the visual response to flicker Andrew Stockman1, Lindsay T. Sharpe1, Adnan Tufail2, Philip D. Kell3 and Glen Jeffery1 As an undesirable side effect, sildenafil citrate (Viagra) partially Target radiance (log quanta s–1 deg–2)Target radiance (log quanta s–1 deg–2) inhibits the phosphodiesterase PDE6 [1], which