AUTHOR=Ricks Tiffany K. , Chiu Haw-Jyh , Ison Gwynn , Kim Geoffrey , McKee Amy E. , Kluetz Paul , Pazdur Richard TITLE=Successes and Challenges of PARP Inhibitors in Cancer Therapy JOURNAL=Frontiers in Oncology VOLUME=5 YEAR=2015 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2015.00222 DOI=10.3389/fonc.2015.00222 ISSN=2234-943X