Harp P, Tanaka D, Jr., Pope CN (1997)
Potentiation of organophosphorus-induced delayed neurotoxicity following phenyl saligenin phosphate exposures in 2-, 5-, and 8-week- old chickens
Fundamental & Applied Toxicology 37: 64

Chanda SM, Harp P, Liu J, Pope CN (1995)
Comparative developmental and maternal neurotoxicity following acute gestational exposure to chlorpyrifos in rats
Journal of Toxicology & Environmental Health 44: 189