論文（英文）
Takayasu K, Arii S, Sakamoto M, Matsuyama Y, Kudo M, Kaneko S, Nakashima O, Kadoya M, Izumi N, Takayama T, Ku Y, Kumada T, Kubo S, Kokudo T, Hagiwara Y, Kokudo N, Liver Cancer Study Group of Japan. Impact of resection and ablation for single hypovascular hepatocellular carcinoma ≤2 cm analyzed with propensity score weighting. Liver Int. 2017. doi: 10.1111/liv.13670.
Takayasu K, Arii S, Sakamoto M, Matsuyama Y, Kudo M, Kaneko S, Nakashima O, Kadoya M, Izumi N, Takayama T, Ku Y, Kumada T, Kubo S, Kokudo T, Hagiwara Y, Kokudo N, Liver Cancer Study Group of Japan. Impact of resection and ablation for single hypovascular hepatocellular carcinoma ≤2 cm analyzed with propensity score weighting. Liver Int. 2018;38:484-493.