Description of Haemonchus placei (Place, 1893) (Nematoda, Trichostrongylidae, Haemonchinae), identification and intra-specific morphologic variabilityC.J. Giudici, J. Cabaret and M.C. Durette-DessetParasite, 6 4 (1999) 333-342DOI: https://doi.org/10.1051/parasite/1999064333