- In utero exposure to polychlorinated biphenyls and sensorineural hearing loss in 8-year-old children. Longnecker, M.P., Hoffman, H.J., Klebanoff, M.A., Brock, J.W., Zhou, H., Needham, L., Adera, T., Guo, X., Gray, K.A. Neurotoxicology and teratology. (2004)