GlaxoSmithKline plc (ADR) (GSK), Eli Lilly & Co. (LLY): Pfizer Inc. (PFE) Rises to the Occasion and Changes Big Pharma Forever
Pfizer Inc. (NYSE:PFE)'s Viagra (sildenafil citrate), the little blue pill with the big marketing campaign, was first cleared for sale by the FDA on March 27, 1998, becoming the first drug cleared to...... (read more)
