Multi-Institutional Phase II Study of High-Dose Hypofractionated Proton Beam Therapy in Patients With Localized, Unresectable Hepatocellular Carcinoma and Intrahepatic CholangiocarcinomaTheodore S. Hong, Andrew X. Zhu, Beow Y. Yeap et al.|Journal of Clinical Oncology|2015Cited by 474