1. Godden, S., G. Ambler, and A.M. Pollack. 2010. Recruitment of minority ethnic groups into clinical cancer research trials to assess adherence to the principles of the Department of Health Research Governance Framework: National sources of data and general issues arising from a study in one hospital in England. Journal of Medical Ethics 36: 358–362.
2. International Federation of Pharmaceutical Manufacturers & Associations. 2014. The pharmaceutical industry and global health, facts and figures 2014. Geneva.
3. Karlberg, J.P.E. 2009. Uninterrupted globalization of industry sponsored clinical trials. Clinical Trial Magnifier 2: 79–94.
4. ———. 2010. WHO international clinical trials registry platform – an in-depth analysis. Clinical Trial Magnifier 3: 333–344.
5. ———. 2014. Globalization of industry-sponsored, clinical trials. Latest insight on shifts in sites among regions. Clinical trial magnifier, 1–36. Falls Church: FDAnews. ISBN 978–1–60428-140-8.