http://www.reuters.com/article/us-actelion-johnson-johnson-idUSKBN15A0KM

http://www.wsj.com/articles/johnson-johnson-to-acquire-rare-disease-drug-maker-actelion-in-30-billion-deal-1485413057

https://www.nytimes.com/2017/01/26/business/dealbook/johnson-johnson-actelion-drug-deal.html?_r=0

January 25, 2017