Thing mist tint really — with sildenafil citrate online is me. (drtimball.com)
In failing to disclose the identity of sildenafil as the only effective compound, Pfizer's patent failed to fully and correctly disclose the invention as is required by s. 27 (3) of the Patent Act. (iposgoode.ca)
There are no current blood tests available to determine the presence of sildenafil for the purpose of treatment. (todaysveterinarynurse.com)