1. Big pharma is having a good crisis - drug innovation is back in fashion;Anon;The Economist,2020
2. Costly medicines - The global battle over high drug prices;Anon;The Economist,2019
3. The pharmaceutical industry - new drugs are costly and unmet need is growing;Anon;The Economist,2020
4. Estimated research and development investment needed to bring a new medicine to market, 2009-2018;Wouters;JAMA,2020
5. Clinical development success rates for investigational drugs;Hay;Nat. Biotechnol.,2014