1. FDA Guidance for Industry: Extended Release Oral Dosage Forms; Development, Evaluation, and application of in vitro / in vivo correlations 1997 http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM070
2. Regulatory perspectives on in vitro (dissolution)/in vivo (bioavailability) correlations;Uppoor;J Control Release,2001
3. The concept of pharmaceutical quality;Woodcock;Am Pharm Rev,2004
4. Process robustness: A PQRI white paper;Glodek;Pharm Eng,2006
5. FDA Guidance for Industry: Q8(R2) Pharmaceutical Development 2009 http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/UCM073507.pdf