User contributions
From Wiki China org cn
- 09:19, 2 February 2011 diff hist +428 Va ethnic group In vitro studies have shown that the effect of tadalafil is more potent on phosphodiesterase type 5 PDE5 than on other phosphodiesterases. , http://www.pma.caltech.edu/~physlab/dokuwiki/lib/exe/fetch
