Kim, Y.-J., Ho Cho, K., Ryull Pyo, H., Hyun Lee, K., Ho Moon, S., Hyun Kim, T., … Ho Nam, B. (2013). A phase II study of hypofractionated proton therapy for prostate cancer. Acta Oncologica, 52(3), 477–485. https://doi.org/10.3109/0284186X.2013.764011