Johnson & Weaver, LLP Announces Investigations of Clovis Oncology, Inc., USANA Health Sciences, Inc., Anthera Pharmaceuticals, Inc., and PixarBio Corporation

SAN DIEGO, Feb. 18, 2017 /PRNewswire/ -- Shareholder Rights Law Firm Johnson & Weaver, LLP is investigating potential claims against Clovis Oncology, Inc., USANA Health Sciences, Inc., Anthera Pharmaceuticals, Inc., and PixarBio Corporation, as detailed below: Clovis Oncology,...