Repeat Hepatectomy Versus Radiofrequency Ablation in the Management of Recurrent Hepatocellular Carcinoma: An Average Treatment Effect Analysis. (2021) - Chua, D.; Koh, Y.; Tan, Y.C.; Syn, N.; Ho, J.Y.; Goh, B.; Lee, S.Y.; Teo, J.Y.; Chan, C.Y.