https://scholar.google.com/scholar_lookup?title=Properties+and+Modification+of+Soft+Drinks+in+Relation+to+Their+Erosive+Potential+in+Vitro&author=Jensdottir,+T.&author=Bardow,+A.&author=Holbrook,+P.&publication_year=2005&journal=J.+Dent.&volume=33&pages=569–575&doi=10.1016/j.jdent.2004.12.002