1. European Directorate for Quality of Medicines. Rubella virus (live) (04/2009:0162). In: European Pharmacopoeia. Supplement 6.1 to 6th ed. 2007. p. 3358–3359.
2. The International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use. Validation of analytical procedures: Text and Methodology Q2(R1). http://www.emea.europa.eu/htms/human/ich/background.htm.
3. United States Pharmacopeia. <1225> Validation on compendial procedures. In: U.S. Pharmacopeia 31 – NF 26, vol. 1; 2008. p. 683–687.
4. World Health Organisation. Validation of analytical assays. In: A WHO Guide to Good Manufacturing Practice (GMP) Requirements WHO/VSQ/97.02; 1997. p. 69.
5. Guidance for robustness/ruggedness tests in method validation;Vander Heyden;J Pharm Biomed Anal,2001