title: [Causes of biopsy failure of oral mucosal diseases: a case controlled study].
authors.forename: J M
authors.initials: JM
authors.lastname: Chen
authors.forename: B Q
authors.initials: BQ
authors.lastname: Li
authors.forename: Y
authors.initials: Y
authors.lastname: Liu
mesh_terms: D001706:Biopsy; D016022:Case-Control Studies; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology*; D017676:Lichen Planus, Oral / Q000473:pathology*; D012859:Sjogren's Syndrome / Q000473:pathology