title: Toxicity of twenty-three insecticides to a tubificid worm Branchiura sowerbyi from the Mississippi delta.
mesh_terms: D000818:Animals; D000845:Annelida / Q000187:drug effects*; D003400:Astacoidea / Q000187:drug effects; D007305:Insecticide Resistance; D007306:Insecticides / Q000633:toxicity*
chemical_list: D007306:Insecticides