I think AstraZeneca has an exciting few years ahead of it.Star fund manager Neil Woodford has been a strong believer in the pharmaceutical industry, investing heavily in companies such as AstraZeneca, GlaxoSmithKline and Roche, as he feels the industry as a whole has been undervalued.If you are interested in learning more about the businesses he has invested in, please read our free report, 8 Sha