[Studies on the incidence of Trichinella in rats in the industrial animal husbandry establishments].
D000822:Animal Husbandry; D000818:Animals; D004197:Disease Reservoirs / Q000662:veterinary; D011044:Poland; D051381:Rats / Q000469:parasitology*; D013552:Swine; D014234:Trichinella / Q000302:isolation & purification*
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