Spanish clinical practice guidelines for the diagnosis and management of cholestatic liver diseases in adult and pediatric population: Joint report from AEEH and SEGHNP. - Díaz-González Á; Molera C; Gómez-Domínguez E; Muñoz-Bartolo G; Ampuero J; Fernández-Rodríguez C; Quintero J; Molina E; Salcedo M; Olveira A; Morillas R; Díez MA; et al. (Gastroenterologia y hepatologia, 2026)