1. Stability testing of new drug substances and products Q1A (R2);ICH,2003
2. Draft Stability Testing of Active Pharmaceutical Ingredients and Pharmaceutical Products;WHO,2007
3. Note for Guidance on Stability Testing: Stability Testing of Existing Active Substances and Related Finished Products, Committee for Proprietary Medicinal Products;CPMP,2002
4. Guidance for Industry Stability Testing of Existing Drug Substances and Products, Therapeutic Products Directorate;TPD,2003
5. The importance and the challenges of impurity profiling in modern pharmaceutical analysis;Gorog;TrAC,2006