title: Saliva, xerostomia and salivary substitutes.
mesh_terms: D006801:Humans; D009067:Mouthwashes / Q000627:therapeutic use*; D012463:Saliva / Q000502:physiology*; D012464:Saliva, Artificial / Q000627:therapeutic use*; D014987:Xerostomia / Q000209:etiology* / Q000628:therapy
chemical_list: D009067:Mouthwashes; D012464:Saliva, Artificial