Boonruksa P, Bello D, Zhang J, Isaacs JA, Mead JL, Woskie SR. Characterization of Potential Exposures to Nanoparticles and Fibers during Manufacturing and Recycling of Carbon Nanotube Reinforced Polypropylene Composites. Ann Occup Hyg. 2016 Jan; 60(1):40-55.