The effect of Dictyocaulus filaria on the resistance of guinea-pigs to Dictyocaulus viviparus.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D006168:Guinea Pigs; D008174:Lung Diseases, Parasitic / Q000382:microbiology / Q000662:veterinary*; D008297:Male; D009349:Nematode Infections / Q000662:veterinary*; D014611:Vaccination / Q000662:veterinary