[Biology and focal incidence of Dictyocaulus viviparus].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D004022:Dictyocaulus Infections / Q000453:epidemiology*; D004463:Ecology; D008675:Metamorphosis, Biological; D008681:Metastrongyloidea; D011044:Poland
Biologia i ogniskowość wystepowania Dictyocaulus viviparus.