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Veterinary Parasitology|November 1, 1989
Emergence from inhibited development of cyathostome larvae in ponies following failure to remove them by repeated treatments with benzimidazole compoundsM Eysker, J H Boersema, F N KooymanThe Veterinary Quarterly|March 1, 1995
The reappearance of strongyle eggs in faeces of horses treated with pyrantel embonateJ H Boersema, F H Borgsteede, M Eysker, et al.American Journal of Veterinary Research|July 1, 1988
Possible resistance of small strongyles from female ponies in The Netherlands against albendazoleM Eysker, J H Boersema, F N Kooyman, et al.The Veterinary Quarterly|February 27, 1998
The reappearance of strongyle eggs in the faeces of horses after treatment with moxidectinJ H Boersema, M Eysker, W M van der AarTijdschrift Voor Diergeneeskunde|December 15, 1992
[3 cases of hypertrophic gastritis associated with a Ollulanus tricuspis infection in cats]J S van der Linde-Sipman, J H Boersema, A BerrocalVeterinary Parasitology|October 24, 1998
Evaluation of the effect of ivermectin administered topically at zero and six weeks after turnout on gastrointestinal nematode infection in first-season grazing cattleM Eysker, J H Boersema, J B Githiori, et al.Veterinary Parasitology|March 24, 2000
Resilience of second year grazing cattle to parasitic gastroenteritis following negligible to moderate exposure to gastrointestinal nematode infections in their first yearM Eysker, J H Boersema, F N Kooyman, et al.Tijdschrift Voor Diergeneeskunde|May 15, 1988
[Dipetalonema dracunculoides (Cobbold, 1870) (Nematoda: Onchocercidae) in an imported dog]J Jansen, M E Peeters, J H Boersema, et al.Veterinary Parasitology|December 1, 1995
The combined effect of fenbendazole treatment and a move to aftermath 7 or 9 weeks after turnout on Dictyocaulus viviparus infections in calvesM Eysker, J H Boersema, F N Kooyman, et al.International Journal for Parasitology|January 9, 1998
Selection for high levamisole resistance in Haemonchus contortus monitored with an egg-hatch assayR Hoekstra, F H Borgsteede, J H Boersema, et al.Pageof 6