THE WOODLANDS, Texas--(BUSINESS WIRE)--Pernix Therapeutics Holdings, Inc. (NYSE Amex: PTX), a specialty pharmaceutical company, today announced that Cooper Collins, President and Chief Executive Officer, will present at the 11th Annual Needham Healthcare Conference on Tuesday, April 3, 2012 at 10:40 a.m. EST. The conference will be held at The New York Palace Hotel in New York, NY.
