1. FDA 1999 http://www.fda.gov/cder/guidance/1852fnl.pdf
2. EMEA 2000 http://www.emea.eu.int/pdfs/human/ewp/140198en.pdf
3. EMEA 1998 http://www.emea.eu.int/pdfs/human/ewp/056095en.pdf
4. Population modeling in drug development;Sheiner;Statistical Methods in Medical Research,1999