title: A retrospective study of oral mucosal diseases in three age groups.
authors.forename: H
authors.initials: H
authors.lastname: Shi
authors.forename: G
authors.initials: G
authors.lastname: Xu
authors.forename: Z
authors.initials: Z
authors.lastname: Shen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000453:epidemiology*; D009061:Mouth Mucosa / Q000473:pathology*; D012189:Retrospective Studies