Yevstafieva, V., Kryvoruchenko, D., Melnychuk, V., Shcherbakova, N., Dmitrenko, N., Kyrychko, O., Ilchenko, M. and Shaferivskyi, B. 2026. Effectiveness of ultrasound examination in mono- and mixed infections of dogs. Regulatory Mechanisms in Biosystems. 17, 2 (Mar. 2026), e26027. DOI:https://doi.org/10.15421/0226027.