Hepato-pancreato-biliary surgery in Mexico and Latin America during the COVID-19 pandemic (2020): Results from AMHPB survey. - Martínez-Mier G; Melchor-Ruan J; Beristain-Hernández J; Domínguez-Rosado I; Palacios-Sarabia A (Cirugia y cirujanos, 2022)