Zarei, Hamed, et al. “μ-Opioid Receptor Blockade Potentiates NPW23-Induced Hyperphagia in Neonatal Broiler Chicks”. Journal of Poultry Sciences and Avian Diseases, vol. 5, no. 1, July 2026, https://www.jpsad.com/index.php/jpsad/article/view/231.