[A NATURAL FOCUS OF PARAFASCIOLOPSIASIS IN THE BIALYSTOK REGION].
D000818:Animals; D001188:Artiodactyla; D004813:Epidemiology; D006373:Helminthiasis; D006801:Humans; D011044:Poland; D012908:Snails
ARTIODACTYLA; EPIDEMIOLOGY; HELMINTHIASIS; POLAND; SNAILS