1. 2016 Generic Drug Savings & Access in the United States Report. Available at
http://www.gphaonline.org/media/generic-drug-savings-2016/index.html
.
2. Code of Federal Regulations 21CFR320.1. Available at
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=320.1
.
3. Product-Specific Recommendations for Generic Drug Development. Available at
http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm075207.htm
.
4. Guidance for Industry: Bioavailability and bioequivalence studies for nasal aerosols and nasal sprays for local action. Available at
http://www.fda.gov/downloads/drugs/guidancecomplianceregulatoryinformation/guidances/ucm070111.pdf
.
5. Weber B, Lee SL, Delvadia R, Lionberger R, Li B, Tsong Y, et al. Application of the modified chi-square ratio statistic in a stepwise procedure for cascade impactor equivalence testing. AAPS J. 2015;17(2):370–9.