1. Seasonal fluctuations and hypobiosis of gastro-intestinal nematodes of Awasse lambs in Iraq;Altaif;Parasitology,1983
2. The sequential development of naturally occurring ostertagiasis in calves;Anderson;Res. Vet. Sci.,1969
3. The effect of climatic factors in the production of inhibition of larval development in parasitic nematodes. Weather and Animal Parasites, Sect. 3;Armour;W.H.O. Tech. Bull. Geneva,1977
4. The effect of weather factors on the inhibition of larval development in parasitic nematodes;Armour,1978
5. Arrested development in cattle nematodes with special reference to Ostertagia ostertagi;Armour,1978