title: The effect of methoxychlor on periphyton under natural conditions.
mesh_terms: D002734:Chlorophyll / Q000378:metabolism; D056890:Eukaryota / Q000378:metabolism; D008731:Methoxychlor / Q000494:pharmacology*; D009566:Nitrates / Q000378:metabolism; D010710:Phosphates / Q000378:metabolism; D010944:Plants / Q000187:drug effects* / Q000378:metabolism; D013997:Time Factors
chemical_list: D009566:Nitrates; D010710:Phosphates; D002734:Chlorophyll; D008731:Methoxychlor