Ning, X R [Application of ultrasonography scoring system in the assessment of IgG4-related sialadenitis]. [electronic resource] - Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences Dec 2019 - 1032-1035 p. digital Publication Type: Journal Article ISSN: 1671-167X Subjects--Topical Terms: HumansImmunoglobulin GImmunoglobulin G4-Related DiseaseMiddle AgedSalivary GlandsSialadenitisSjogren's SyndromeSubmandibular GlandUltrasonography