title: Trace element analysis of seawater and fish samples by proton induced x-ray emission spectroscopy.
mesh_terms: D000818:Animals; D005399:Fishes; D008722:Methods; D012487:Salmonidae; D012623:Seawater / Q000032:analysis*; D013057:Spectrum Analysis; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements