Y. Lu, F. Tianyong, W. Qiang, C. Xiaobo, B. Siyuan, and H. Ping, “Early immune outcome of retroperitoneal laparoscopic radical nephrectomy for localized renal cell carcinoma: a prospective, randomized study”, CUAJ, vol. 6, no. 6, pp. e242–8, Dec. 2012.