http://www.ncbi.nlm.nih.gov/pubmed/24004116

N Engl J Med. 2013 Sep 5;369(10):896-9. doi: 10.1056/NEJMp1303723.

Big Pharma and social responsibility--the Access to Medicine Index.

Hogerzeil HV.

Source

Department of Global Health, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

"The Access to Medicine Index, an independent initiative, ranks the world's 20 largest research-based pharmaceutical companies according to their efforts to make their products more available, affordable, and accessible in developing countries."