Occupational Inhalation Exposures to Nanoparticles at Six Singapore Printing Centers

Magdiel I. Setyawati, Dilpreet Singh, Sriram P.R. Krishnan, Xian Huang, Mengjing Wang, Shenglan Jia, Bernice Huan Rong Goh, Chin Guan Ho, Ridhwan Yusoff, Mustafa H. Kathawala, Tuang Yeow Poh, Nur A.Tikah Binte Mohamed Ali, Sanjay H. Chotirmall, Robert J. Aitken, Michael Riediker, David C. Christiani, Mingliang Fang, Dhimiter Bello, Philip Demokritou, Kee Woei Ng^*