"Asparaginase". Archived from the original on 27 March 2017. Retrieved 15 September 2019.|website=International Drug Price Indicator Guide|accessdate=8 December 2016|deadurl=no|archiveurl= March 2017|df=}}
web.archive.org
"Asparaginase". The American Society of Health-System Pharmacists. Archived from the original on 27 March 2017. Retrieved 8 December 2016.
"Asparaginase". Archived from the original on 27 March 2017. Retrieved 15 September 2019.|website=International Drug Price Indicator Guide|accessdate=8 December 2016|deadurl=no|archiveurl= March 2017|df=}}