title: Gel filtered fossil and fresh gelatins.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002850:Chromatography, Gel; D005399:Fishes; D005580:Fossils; D005780:Gelatin / Q000302:isolation & purification; D010163:Paleontology; D011506:Proteins
chemical_list: D000596:Amino Acids; D011506:Proteins; D005780:Gelatin