Total bile acid as a preoperative risk factor for post-hepatectomy liver failure in patients with hepatocellular carcinoma and normal bilirubin Xi He; Xiaofeng Zhang; Zhijie Li; Xiaofeng Niu; Lixin Li; Zhenwen Liu; Hui Ren; Dali Zhang;

Operative outcomes and middle-term survival of robotic-assisted lung resection for clinical stage IA lung cancer compared with video-assisted thoracoscopic surgery Clara Forcada; María Teresa Gómez-Hernández; Cristina Rivas; Marta Fuentes; Nuria Novoa; Gonzalo Varela; Marcelo Jiménez;