Almeida B, F., R. . Rodrigues-Silva, R. . Neves H, M. . Gonçalves Ml, E. . Romani L S, and J. R. . Machado-Silva. “MORPHOLOGICALAND MORPHOMETRIC STUDIES ON PROTOSCOLECES ROSTELLAR HOOKS OF ECHINOCOCCUS GRANULOSUS FROM PERU VISUALIZED BY SEVERAL MICROSCOPIC TECHNIQUES”. Neotropical Helminthology, vol. 3, no. 2, June 2009, pp. 65-72, doi:10.24039/rnh2009321114.