Sneader W. (2005). Drug Discovery: A History, pp. 90-91. Wiley.
"Definition -ine". Centre for Cancer Education. Archived from the original on 2009-08-05. Retrieved 2008-03-29. https://www.webcitation.org/5io4pObGd?url=http://cancerweb.ncl.ac.uk/cgi-bin/omd?-ine
"Definition -ine". Centre for Cancer Education. Archived from the original on 2009-08-05. Retrieved 2008-03-29. https://www.webcitation.org/5io4pObGd?url=http://cancerweb.ncl.ac.uk/cgi-bin/omd?-ine