title: Low degree of isozyme variation within and between Herring Gull (larus argentatus), Lesser Black-backed Gull (Larus fuscus) and their British and Swedish subspecies.
mesh_terms: D000818:Animals; D001717:Birds / Q000235:genetics*; D014644:Genetic Variation; D007527:Isoenzymes / Q000235:genetics*; D013548:Sweden; D006113:United Kingdom
chemical_list: D007527:Isoenzymes