Columbia subject headings:
Copper--Environmental aspects.
Copper--Metabolism--Disorders.
Copper--Toxicology.
Drinking water--Copper content.
Homeostasis.
Water--Copper content.
Harvard subject headings:
Copper--Environmental aspects
Copper--Metabolism--Disorders
Copper--Toxicology
Drinking water--Copper content
Homeostasis.
Water--Copper content.
Princeton subject headings: