https://scholar.google.com/scholar_lookup?title=Erosive+Effect+of+Beverages+on+Surface+Hardness+and+Ultra-Structure+of+Deciduous+Teeth+Enamel&author=Arafa,+A.&author=Filfilan,+S.S.&author=Fansa,+H.A.&publication_year=2022&journal=Pediatr.+Dent.+J.&volume=32&pages=186–192&doi=10.1016/j.pdj.2022.08.001