1. American Society of Health-System Pharmacists (1994) ASHP Technical Assistance Bulletin on Compounding Nonsterile Products in Pharmacies. Am J Health Syst Pharm 1994(51):1441–1448
2. European Medicines Agency (1998) Note for guidance on development pharmaceutics
3. European Medicines Agency (2001) Note for Guidance on In-use stability Testing of Human Medicinal Products
4. European Medicines Agency (2003) Note for guidance on stability testing: Stability testing of new drug substances and products
5. European Medicines Agency (2004) Guideline on stability testing: Stability testing of existing active substances and related finished products