How safe are nanotubes and other nanofilaments?

by Gogotsi, Y.
Reference:
Y. Gogotsi, "How safe are nanotubes and other nanofilaments?", Materials Research Innovations, vol. 7, no. 4, 2003, pp. 192.
Bibtex Entry:
@article{73,
   author = {Gogotsi, Y.},
   title = {How safe are nanotubes and other nanofilaments?},
   journal = {Materials Research Innovations},
   volume = {7},
   number = {4},
   pages = {192},
   ISSN = {1432-8917},
   DOI = {10.1007/s10019-003-0257-z},
   year = {2003},
   date= {08/01}
   type = {Journal Article},
   url = https://nano.materials.drexel.edu/wp-content/papercite-data/pdf/73.pdf
}

How safe are nanotubes and other nanofilaments?