Cheap Viagra in Australia.

Viagra is a brand name for chemical compound Sildenafil Citrate. It belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors.Viagra is used to treat erectile dysfunction in men and mostly elderly men and also to some extent pulmonary arterial hypertension. Sildenafil citrate was synthesised by a group of researchers from pharmaceutical firm Pfizer […]