Yamada T, Takao S, Koyano H, Nihongi H, Fujii Y, Hirayama S, Miyamoto N, Matsuura T, Umegaki K, Katoh N, Yokota I, Shirato H, Shimizu S. Validation of dose distribution for liver tumors treated with real-time-image gated spot-scanning proton therapy by log data based dose reconstruction. J Radiat Res. 2021 May 5:rrab024. doi: 10.1093/jrr/rrab024. Epub ahead of print. PMID: 33948661.