Low recurrence rate of hepatocellular carcinoma in patients undergoing liver transplantation during the transitional period of indication from the Milan criteria to the alpha-fetoprotein model Arkaitz Perfecto; Mikel Prieto; Alfonso Sánchez-Mayoral; Alex Bausela; Mikel Gastaca;

Ultrasound guided thermal ablation of synchronous liver metastases and simultaneous resection of colorectal cancer: A single-center case series Arkaitz Perfecto; Beatriz Villota; José María García; Iñaki Martín; Mikel Gastaca;

Spontaneous retroperitoneal hematoma in critical patients with bilateral SARS-CoV-2 pneumonia Arkaitz Perfecto; Ibabe Villalabeitia; Patricia Sendino; Aingeru Sarriugarte;