[Incidence of trichomoniasis in bulls in Poland in 1958-1964].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D008297:Male; D011044:Poland; D014245:Trichomonas Infections / Q000662:veterinary*
Wystepowanie trichomonadozy u buhajów w polsce w latach 1958-1964.