title: Veterans' risk from dioxin "impossible to assess".
mesh_terms: D015085:2,4,5-Trichlorophenoxyacetic Acid / Q000009:adverse effects; D015084:2,4-Dichlorophenoxyacetic Acid / Q000009:adverse effects; D000075182:Agent Orange; D004147:Dioxins / Q000009:adverse effects* / Q000097:blood; D006540:Herbicides / Q000009:adverse effects; D006801:Humans; D000072317:Polychlorinated Dibenzodioxins / Q000009:adverse effects; D012306:Risk; D014728:Veterans; D014744:Vietnam; D014857:Warfare
chemical_list: D004147:Dioxins; D006540:Herbicides; D000072317:Polychlorinated Dibenzodioxins; D015084:2,4-Dichlorophenoxyacetic Acid; D000075182:Agent Orange; D015085:2,4,5-Trichlorophenoxyacetic Acid