Deloitte’s sixth annual study estimates the returns that leading life sciences companies might expect to achieve from their R&D investments, looking at the challenges they face while highlighting lessons that can be learned: http://www2.deloitte.com/us/en/pages/life-sciences-and-health-care/articles/measuring-return-from-pharmaceutical-innovation.html?id=us:2sm:3ss:rdroi:awa:lshc:121415