Andrij Tybinka, Olexander Zaitsev, and Galyna Blishch. “Impact of Autonomic Tonus Typological Features on the Duodenum Structure of Chickens”. Veterinary  Medicine 1, no. 1 (May 19, 2016): 12–17. Accessed November 12, 2026. https://openventio.us/index.php/VM/article/view/712.