Columbia subject headings:
Agent Orange--Toxicology--Vietnam.
Chlorophenoacetic acid--Toxicology--Oregon.
Chlorophenoxyacetic acid--Toxicology--Oregon.
Herbicides--Environmental aspects.
Herbicides--Toxicology--Oregon.
Miscarriage--Oregon.
Harvard subject headings:
Agent Orange--Toxicology--Vietnam.
Chlorophenoxyacetic acid--Toxicology--Oregon.
Herbicides--Environmental aspects.
Herbicides--Toxicology--Oregon.
Miscarriage--Oregon.
Princeton subject headings:
Agent Orange--Toxicology--Vietnam.
Chlorophenoacetic acid--Toxicology--Oregon.
Herbicides--Environmental aspects.
Herbicides--Toxicology--Oregon.
Miscarriage--Oregon.