title: EVOLUTION. How teeth got tough: enamel's evolutionary journey.
authors.forename: Sid
authors.initials: S
authors.lastname: Perkins
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003743:Dental Enamel; D005399:Fishes; D005580:Fossils; D006244:Hardness; D014070:Tooth