Surgical management of adrenal carcinoma with inferior vena cava tumor thrombus Beatriz Villota Tamayo; Mikel Prieto; Arkaitz Perfecto; Andrés Valdivieso;

Management of cholelithiasis in times of COVID-19: A challenge for the system Mikel Prieto; Irene Ortega; Jose Maria Balibrea; Benedetto Ielpo;

National survey on the treatment of acute appendicitis in Spain during the initial period of the COVID-19 pandemic Mikel Prieto; Benedetto Ielpo; Montiel Jiménez Fuertes; María del Carmen González Sánchez; Esteban Martín Antona; José M. Balibrea; José Manuel Aranda Narváez;