Effect of Silica Particle Size on Macrophage Inflammatory Responses Kusaka, Toshimasa ; Nakayama, Masafumi ; Nakamura, Kyohei ; Ishimiya, Mai ; Furusawa, Emi ; Ogasawara, Kouetsu Abstract Publication: PLoS ONE Pub Date: March 2014 DOI: 10.1371/journal.pone.0092634 Bibcode: 2014PLoSO...992634K