title: Collaborative study of a test to determine whether shucked oysters have been frozen and thawed.
mesh_terms: D000818:Animals; D004586:Electrophoresis; D005504:Food Analysis; D005615:Freezing; D006651:Histocytochemistry; D008291:Malate Dehydrogenase; D008722:Methods; D010125:Ostreidae
chemical_list: D008291:Malate Dehydrogenase