cialis 40 mg Shivaani Kummar, Geraldine O Sullivan Coyne, Khanh T Do, Baris Turkbey, Paul S Meltzer, Eric Polley, Peter L Choyke, Robert Meehan, Rasa Vilimas, Yvonne Horneffer, Lamin Juwara, Ann Lih, Amul Choudhary, Sandra A Mitchell, Lee J Helman, James H Doroshow, Alice P Chen Journal of Clinical Oncology 2017 May 10, 35 14 1561 1569