How safe are nanotubes and other nanofilaments?

by Gogotsi, Y.
Reference:
How safe are nanotubes and other nanofilaments? (Gogotsi, Y.), In Materials Research Innovations, volume 7, 2003.
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}
}

How safe are nanotubes and other nanofilaments?