Zohydro ER (hydrocodone bitartrate extended release) - Pernix
Pernix: Q2 2015 Results (Pernix Therapeutics) - Sep 4, 2015 - Anticipated patent expiry in 2029 
Anticipated patent expiry Pain
http://seekingalpha.com/article/3407916-pernixs-ptx-ceo-doug-drysdale-on-q2-2015-results-earnings-call-transcript
 
Sep 4, 2015
 
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