Chemical contaminants in fish.
D000818:Animals; D004026:Dieldrin / Q000032:analysis*; D004524:Eels; D005506:Food Contamination / Q000032:analysis*; D006801:Humans; D008628:Mercury / Q000032:analysis*; D006113:United Kingdom; D014874:Water Pollutants, Chemical / Q000032:analysis*
D014874:Water Pollutants, Chemical; D008628:Mercury; D004026:Dieldrin