title: Studies on the organic composition of dental calculus and related calculi.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D002137:Calculi / Q000378:metabolism*; D050260:Carbohydrate Metabolism; D003728:Dental Calculus / Q000378:metabolism*; D006801:Humans; D050356:Lipid Metabolism; D009296:Nasal Cavity; D010510:Periodontal Diseases / Q000378:metabolism; D012465:Salivary Duct Calculi / Q000378:metabolism
chemical_list: D000596:Amino Acids