1. ICH, Q8(R2), Pharmaceutical development, 2009.
2. ICH, Q2(R1), Validation of analytical procedures, 1996.
3. ICH, Q9, Quality risk management, 2006.
4. ICH, Q10, Pharmaceutical quality system, 2008.
5. U.S. Pharmacopeial Convention, chapters 1224, 1225, 1226, USP panel expert.