AUTHOR=Kattan Michael W. , Bukowski Ronald M. TITLE=Commentary: Meta-Analyses Reporting the Prognostic Value of Androgen Receptor Splice Variant 7 in Castration-Resistant Prostate Cancer JOURNAL=Frontiers in Oncology VOLUME=10 YEAR=2020 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.602992 DOI=10.3389/fonc.2020.602992 ISSN=2234-943X