Pernix Therapeutics ($PTX) is looking for a sales trifecta from the 100 new Zohydro reps it's acquiring along with that pain drug franchise. Pernix sales execs figure putting the Zohydro reps to work on its own sleep aid Silenor and its migraine tablet Treximet can amp up revenue from all three products. And it's already training the new team to handle the load. Report