title: The occurrence of proliferative kidney disease on a chalk stream.
mesh_terms: D000818:Animals; D002119:Calcium Carbonate / Q000032:analysis; D004739:England; D005393:Fish Diseases / Q000453:epidemiology*; D005618:Fresh Water / Q000032:analysis*; D006244:Hardness; D006863:Hydrogen-Ion Concentration; D007674:Kidney Diseases / Q000453:epidemiology / Q000662:veterinary*; D012487:Salmonidae; D014337:Trout; D014867:Water / Q000032:analysis*
chemical_list: D014867:Water; D002119:Calcium Carbonate