title: Pleistocene and dinosaur gelatins.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D005075:Biological Evolution; D001842:Bone and Bones / Q000032:analysis; D005580:Fossils; D005780:Gelatin / Q000032:analysis*; D049690:History, Ancient; D010163:Paleontology
chemical_list: D000596:Amino Acids; D005780:Gelatin