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Basarab, John, Vern Baron, Óscar López-Campos, Jennifer Aalhus, Karen Haugen-Kozyra, and Erasmus Okine. "Greenhouse Gas Emissions From Calf- and Yearling-Fed Beef Production Systems, With and Without the Use of Growth Promotants." Animals (Basel) 2012.

Basarab, John, et al. "Greenhouse Gas Emissions From Calf- and Yearling-Fed Beef Production Systems, With and Without the Use of Growth Promotants." Animals (Basel) 2012.