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2. Anthelmintic activities of B1a fraction of avermectin against gastrointestinal nematodes in calves. Benz GW, Ernst JV. Am J Vet Res; 1979 Aug; 40(8):1187-8. PubMed ID: 525922 [Abstract] [Full Text] [Related]
4. Anthelmintic efficacy of ivermectin against immature gastrointestinal pulmonary nematodes of calves. Benz GW, Ernst JV. Am J Vet Res; 1981 Dec; 42(12):2097-8. PubMed ID: 6896121 [Abstract] [Full Text] [Related]
7. Anthelmintic efficacy of 22,23-dihydroavermectin B1 against gastrointestinal nematodes in calves. Benz GW, Ernst JV. Am J Vet Res; 1981 Aug; 42(8):1409-11. PubMed ID: 6895285 [Abstract] [Full Text] [Related]