Enamel erosion and saliva.
D000328:Adult; D002118:Calcium / Q000032:analysis; D003743:Dental Enamel / Q000473:pathology*; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D010758:Phosphorus / Q000032:analysis; D012463:Saliva / Q000032:analysis / Q000378:metabolism* / Q000502:physiology; D014077:Tooth Erosion / Q000209:etiology* / Q000473:pathology
D010758:Phosphorus; D002118:Calcium