Pyrethroids 8 bifenthrin controlled study 8 neurotoxicity 8 nonhuman 8 pyrethroid 8 rat 8 Animals 6 Article 6 Dose-Response Relationship, Drug 6 Insecticides 6 Pyrethrins 6 Rats 6 animal experiment 6 animal model 6 cypermethrin 6 deltamethrin 6 priority journal 6 Male 4 animal 4 body temperature 4 dose response 4 insecticide 4 male 4 motor activity 4 tefluthrin 4 unclassified drug 4 3 (4,5 dimethyl 2 thiazolyl) 2,5 diphenyltetrazolium bromide 2 Additivity 2 Administration, Oral 2