21 Jun 2021
// BUSINESS-STANDARD
https://www.business-standard.com/article/news-cm/zydus-and-bayer-announce-continuity-of-their-successful-joint-venture-121062100484_1.html
https://www.pharmacompass.com/pdf/news/watson-labs-generic-dienogest-estradiol-valerate-approved-in-us-for-heavy-menstrual-bleeding-1462963659.pdf
08 Jun 2015
// Kurt R. Karst FDA LAW BLOG
http://www.fdalawblog.net/fda_law_blog_hyman_phelps/2015/06/nce-exclusivity-challenges-are-hot-hot-hot-ferring-lets-loose-with-the-latest-lawsuit-challenging-de.html