24 Oct 2020
// FDA
https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=213836
28 Sep 2018
// FDA
https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=208774
30 Nov 2016
// PHARMABIZ
28 Nov 2016
// PR NEWSWIRE
http://www.prnewswire.com/news-releases/lannett-announces-approval-for-metaxalone-tablets-usp-800-mg-300368738.html
14 May 2015
// PATENT DOCS
http://www.patentdocs.org/2015/05/classen-immunotherapies-inc-v-elan-pharmaceuticals-inc-fed-cir-2015.html