Columbia subject headings:
Environmental health.
Environmentally induced diseases.
Geology--Health aspects.
Medical geography.
Harvard subject headings:
Ecological assessment (Biology)
Ecological risk assessment.
Environmental health.
Environmental toxicology.
Environmentally induced diseases.
Geology--Health aspects.
Medical geography.
Water quality biological assessment.
Princeton subject headings:
Environmental health.
Environmentally induced diseases.
Geology--Health aspects.
Medical geography.