Problems involved in devising air quality criteria for the effects of fluorides on vegetation.
D000397:Air Pollution / Q000032:analysis*; D005459:Fluorides / Q000032:analysis* / Q000494:pharmacology; D006859:Hydrogen / Q000032:analysis / Q000494:pharmacology; D000455:Medicago sativa / Q000187:drug effects; D010944:Plants / Q000187:drug effects*; D013997:Time Factors
D006859:Hydrogen; D005459:Fluorides