title: Gulf Coast tick: susceptibility of engorged nymphs to chlorpyrifos during the postengorgement period.
mesh_terms: D000818:Animals; D004390:Chlorpyrifos; D005247:Feeding Behavior; D009758:Nymph / Q000502:physiology; D013983:Tick Control; D013987:Ticks / Q000502:physiology*
chemical_list: D004390:Chlorpyrifos