title: Sodium influx and loss in freshwater and brackish-water populations of the amphipod Gammarus duebeni Lilljeborg.
mesh_terms: D000818:Animals; D005399:Fishes / Q000502:physiology*; D007494:Ireland; D008386:Marine Biology; D012606:Scotland; D012623:Seawater; D012964:Sodium / Q000378:metabolism* / Q000652:urine; D014882:Water-Electrolyte Balance
chemical_list: D012964:Sodium