[On increasing the resistance of sheep to certain helminths].
D000818:Animals; D006373:Helminthiasis / Q000276:immunology; D006374:Helminthiasis, Animal; D008174:Lung Diseases, Parasitic / Q000276:immunology*; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*
O povyshenii rezistentnosi ovets k nekotorym gel'mintam.