. 2006 Aug 14;3:11. doi: 10.1186/1743-8977-3-11
Copyright © 2006 Borm et al; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
Scheme of NP production and possible exposure.