1. WHO Department of Counterfeit and SubStandard Medications Website., “Counterfeit Drugs Factsheet,” WHO, 2003, (2 May 2012)
2. Committee on Understanding the Global Public Health Implications of Substandard, Falsified, and Counterfeit Medical Products;Gostin,2013
3. USAID “Media Reports on Medicine Quality, focusing on USAID-assisted Countries,” March 2012.
4. Paper Analytical Devices for Fast Field Screening of Beta Lactam Antibiotics and Antituberculosis Pharmaceuticals
5. Materials section taken verbatim from unpublished work by Weaver et al, “Effectiveness and Versatility of Paper-based Test Cards for Screening of Pharmaceutical Dosage Forms,” mss in review 2014.