Williams JC, DeRosa A, Nakamura Y & Loyacano AF
Comparative efficacy of ivermectin pour-on, albendazole, oxfendazole and fenbendazole against Ostertagia ostertagi inhibited larvae, other gastrointestinal nematodes and lungworm of cattle.>
Vet Parasitol, 73: 73-82, 1997
ISSN: 0304-4017 Veterinary Parasitology (PubMed)