Logvinova, V., & OliyarА. (2021). Histoarchitectonics of Lymphoid Formations of the Mucosa of the Small Intestine of Muscy Ducks. Bulletin of Sumy National Agrarian University. The Series: Veterinary Medicine, (1 (52), 31-37. https://doi.org/10.32845/bsnau.vet.2021.1.5