1. Identifying R&D outliers;Tollman;Nat. Rev. Drug Discov.,2011
2. Diagnosing the decline in pharmaceutical R&D efficiency;Scannell;Nat. Rev. Drug Discov.,2012
3. Biopharmaceutical research industry profile;PhRAMA,2014
4. Diverging paths, difficult choices;Arlington;Drug Discov. World,2012
5. The pharmaceutical industry and global health: facts and figures;IFPMA,2011