- Cytotoxicity of copper and cobalt complexes of furfural semicarbazone and thiosemicarbazone derivatives in murine and human tumor cell lines. Hall, I.H., Lackey, C.B., Kistler, T.D., Durham, R.W., Jouad, E.M., Khan, M., Thanh, X.D., Djebbar-Sid, S., Benali-Baitich, O., Bouet, G.M. Die Pharmazie. (2000)