Risk factors for complications in acute calculous cholecystitis. Deconstruction of the Tokyo Guidelines Ana María González-Castillo; Juan Sancho-Insenser; Maite De Miguel-Palacio; Josep-Ricard Morera-Casaponsa; Estela Membrilla-Fernández; María-José Pons-Fragero; Luis Grande-Posa; Miguel Pera-Román;

National survey on the treatment of cholelitiasis in Spain during the initial period of the COVID-19 pandemic Benedetto Ielpo; Mikel Prieto; Irene Ortega; José María Balibrea; Inés Rubio-Pérez; Montse Juvany; Miguel Ángel Gómez-Bravo; José Manuel Ramia;

Consensus document for the transcystic approach to choledocholithiasis with ultrathin flexible choledochoscope Alejandra García-Botella; Juan Pablo Arjona Trujillo; Sofía de la Serna; Pedro José Gil Vázquez; Santos Jiménez-Galanes Marchán; Erik Llàcer-Millán; Ana Belén Martín Arnau; David Martínez-Cecilia; Alba Zárate Pinedo; Alberto Martínez-Isla;