Stratification of the severity of chronic obstructive sialadenitis based on its impact on quality of life - Aragonés Sanzen-Baker W; Villacampa Aubá JM; Alcalá Rueda I; Santillán Coello JM; Díaz Tapia G; Cenjor Español C; Sánchez Barrueco Á (Acta Otorrinolaringológica Española, 2025)