nanoparticles
Afifi, N. N., O. A. Heikal, R. S. Hanafi, and S. N. Tammam,
"Application of Biodegradable Nanoparticles in Liver Targeting of Tacrolimus",
Biology, Nanotechnology, Toxicology, and Applications: AIP Conference Proc. 1326, 120-127, vol. AIP conference Proceedings, issue 1326, pp. 120-127, 2011.