Hepler, D I Enhancement of virulence and immunogenicity of Nematospiroides dubius. [electronic resource] - The Journal of parasitology Dec 1974 - 1057-8 p. digital Publication Type: Journal Article ISSN: 0022-3395 Subjects--Topical Terms: Ancylostomatoidea--immunologyAnimalsAntibody FormationHookworm Infections--immunologyLarva--immunologyMiceVaccinationVirulence