The potential for skin irritation, phototoxicity, and sensitization of ZnO nanoparticles - Yeon Sue Jang; Eun Young Lee; Yoon-Hee Park; Sang Hoon Jeong; Sang Geun Lee; Yu-Ri Kim; Meyoung-Kon Kim; Sang Wook Son (Molecular & Cellular Toxicology, 2012)