title: The concentration of inorganic pyrophosphate in human saliva and dental calculus.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D003728:Dental Calculus; D011756:Diphosphates / Q000032:analysis*; D006801:Humans; D010306:Parotid Gland / Q000378:metabolism; D010759:Phosphorus Isotopes; D012463:Saliva / Q000032:analysis*
chemical_list: D011756:Diphosphates; D010759:Phosphorus Isotopes