1. http://www.wsj.com/articles/SB10001424052748704474804576222463927753954.
2. http://www.independent.co.uk/news/business/news/gsk-scales-back-workforce-in-neuroscience-research-1890077.html.
3. http://www.telegraph.co.uk/business/2016/04/29/astrazeneca-embarks-on-cost-cutting-drive-as-it-sharpens-focus-o/.
4. https://www.bms.com/news/features/2013/Pages/Bristol-MyersSquibbEvolvesRDStrategy.aspx.
5. http://blogs.sciencemag.org/pipeline/archives/2013/11/08/exiting_two_therapeutic_areas.