by Fiel, C.A, Saumell, C.A, Steffan, P.E, Rodriguez, E.M
Published in Veterinary parasitology (01.06.2001)

by Lützelschwab, C.M., Fiel, C.A., Pedonesse, S.I., Najle, R., Rodríguez, E., Steffan, P.E., Saumell, C., Fusé, L., Iglesias, L.
Published in Veterinary parasitology (28.02.2005)

by Fiel, C.A., Steffan, P.E., Muchiut, S.M., Fernández, A.S., Bernat, G., Riva, E., Lloberas, M.M., Almada, A., Homer, D.
Published in Veterinary parasitology (15.11.2017)

by Fiel, C.A., Fernández, A.S., Rodríguez, E.M., Fusé, L.A., Steffan, P.E.
Published in Veterinary parasitology (08.06.2012)

by Steffan, P.E., Nansen, P.
Published in Veterinary parasitology (01.10.1990)

by Guzmán, M., Fiel, C.A., Steffan, P.E., Riva, E., Bernat, G.
Published in InVet : investigación veterinaria (01.06.2012)

by Fernández, A.S, Fiel, C.A, Steffan, P.E
Published in Veterinary parasitology (15.03.1999)

by D.A. Ferreyra, P. E. Steffan, C. A. Fiel, F. Gonzalez
Published in RIA. Revista de investigaciones agropecuarias (01.01.2002)

by Nansen, P., Steffan, P.E., Christensen, C.M., Gasbarre, L.C., Monrad, J., Grønvold, J., Henriksen, S.AA
Published in International journal for parasitology (01.08.1993)

by Steffan P.E, Entrocasso C
Year of Publication 1981

by de Kantor, I.N. (Pan American Zoonoses Center, Buenos Aires (Argentina)), Odeon, A.C, Steffan, P.E, Auza, M.J, Madrid, C.R, Marchevsky, N
Published in Revue scientifique et technique (International Office of Epizootics) (01.03.1984)

by Steffan, P.E, Entrocasso, C. (Instituto Nacional de Tecnologia Agropecuaria, Balcarce, Bs. As. (Argentina))
Year of Publication 1981