Androgen Receptor Variants Occur Frequently in Castration Resistant Prostate Cancer Metastases Zhang, Xiaotun ; Morrissey, Colm ; Sun, Shihua ; Ketchandji, Melanie ; Nelson, Peter S. ; True, Lawrence D. ; Vakar-Lopez, Funda ; Vessella, Robert L. ; Plymate, Stephen R. Abstract Publication: PLoS ONE Pub Date: November 2011 DOI: 10.1371/journal.pone.0027970 Bibcode: 2011PLoSO...627970Z