https://scholar.google.com/scholar_lookup?title=Erosion+by+an+Acidic+Soft+Drink+of+Human+Molar+Teeth+Assessed+by+X-Ray+Diffraction+Analysis&author=Gotouda,+H.&author=Nasu,+I.&author=Kono,+T.&author=Ootani,+Y.&author=Kanno,+T.&author=Tamamura,+R.&author=Kuwada,+T.&author=Suzuki,+K.&author=Hirayama,+T.&author=Hirayama,+T.&publication_year=2017&journal=J.+Hard+Tissue+Biol.&volume=26&pages=81–86&doi=10.2485/jhtb.26.81