J.-M. Caudron, N. Ford, M. Henkens, C. Macé, R. Kiddle-Monroe, J. Pinel,
Substandard medicines in resource‐poor settings: a problem that can no longer be ignored Tropical Medicine & International Health. ,vol. 13, pp. 1062- 1072 ,(2008) ,
10.1111/J.1365-3156.2008.02106.X