Mammalian tooth enamel functional sophistication demonstrated by combined nanotribology and synchrotron radiation FTIR analyses - Chen-Tzu Chiu; Jyun-Kai Cao; Pei-Wen Wang; Ya-Na Wu; Yao-Chang Lee; Yeau-Ren Jeng; Dar-Bin Shieh; Robert R. Reisz (iScience, 2023)