title: [Preliminary study of the relation between trace element zinc and oral mucosal diseases].
mesh_terms: D006801:Humans; D008010:Lichen Planus / Q000097:blood; D009059:Mouth Diseases / Q000097:blood*; D009061:Mouth Mucosa; D013280:Stomatitis / Q000097:blood; D014131:Trace Elements / Q000097:blood; D015032:Zinc / Q000097:blood*
chemical_list: D014131:Trace Elements; D015032:Zinc