Powell, J. G.; Yazwinski, T. A.; Tucker, C. A.; Johnson, Z. B.; Brown, A. H.; Reynolds, J. L.; Clymer, B. C. Evaluation of Efficacy and Benefit of Ivermectin With Clorsulon and Long-Acting Moxidectin in Replacement Beef Heifers. Bov. pract. 2009, 43, 97-105.