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Veterinary Parasitology|June 1, 1986
The application of a simulation model to control strategies in ovine gastro-intestinal parasitismR J Thomas, G Paton, P J WallerResearch in Veterinary Science|March 1, 1979
Field observations on the epidemiology of abomasal parasites in young sheep during winter and springR J Thomas, P J WallerResearch in Veterinary Science|May 1, 1983
Arrested development of Nematodirus species in grazing lambsP J Waller, R J ThomasVeterinary Parasitology|October 1, 1981
The natural regulation of Trichostrongylus spp. populations in young grazing sheepP J Waller, R J ThomasThe Veterinary Record|December 13, 1975
Significance of serum pepsinogen and abomasal pH levels in a field infection of O circumcincta in lambsR J Thomas, P J WallerParasitology|October 1, 1975
Field studies on inhibition of Haemonchus contortusP J Waller, R J ThomasVeterinary Parasitology|May 1, 1987
Forecasting parasitic gastroenteritis in lambsG Paton, R J ThomasResearch in Veterinary Science|July 1, 1975
The effect of ageing on the antigenicity of Haemonchus contortus larvaeR J Thomas, P J Waller, B R CottrillParasitology Today (Personal Ed.)|April 1, 1990
Resistance in nematode parasites of livestock to the benzimidazole anthelminticsP J WallerPageof 29