- Comparative analysis of the diagnostic performance of six major Echinococcus granulosus antigens assessed in a double-blind, randomized multicenter study. Lorenzo, C., Ferreira, H.B., Monteiro, K.M., Rosenzvit, M., Kamenetzky, L., García, H.H., Vasquez, Y., Naquira, C., Sánchez, E., Lorca, M., Contreras, M., Last, J.A., González-Sapienza, G.G. J. Clin. Microbiol. (2005)