title: Periodic acid Schiff reaction positive material in diabetic and nondiabetic buccal mucosa.
mesh_terms: D000368:Aged; D003920:Diabetes Mellitus / Q000175:diagnosis*; D006003:Glycogen / Q000378:metabolism*; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D009061:Mouth Mucosa / Q000378:metabolism*; D013194:Staining and Labeling
chemical_list: D006003:Glycogen