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Time: 2024-03-28T21:17:58Z
URL: http://scholar.google.com/scholar_lookup?title=MPDL3280A+%28anti-PD-L1%29+treatment+leads+to+clinical+activity+in+metastatic+bladder+cancer&year=2014&author=Powles&journal=Nature&volume=515&issue=7528&pages=558-562&doi=10.1038%2Fnature13904&pmid=25428503