Co-labelled radioactive FeO nanoparticles for in vitro uptake studies on Balb/3T3 and Caco-2 cell lines. - Marmorato, P.; Simonelli, F.; Abbas, K.; Kozempel, J.; Holzwarth, U.; Franchini, F.; Ponti, J.; Gibson, N.; Rossi, F. (Journal of Nanoparticle Research, 2011)