Schallig, H D Protective immunity to the blood-feeding nematode Haemonchus contortus induced by vaccination with parasite low molecular weight antigens. [electronic resource] - Parasitology Mar 1997 - 293-9 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0031-1820 Standard No.: 10.1017/s0031182096008517 doi Subjects--Topical Terms: AnimalsAntibodies, Helminth--bloodAntigens, Helminth--immunologyHaemonchiasis--immunologyHaemonchus--immunologyLymphocyte ActivationMolecular WeightParasite Egg Count--veterinarySheepSheep Diseases--immunologyVaccination--veterinaryVaccines--immunology