Saadatnia, SeyedAli, Mohamadi, Gholamreza, Mirshahi, Ali (2024). Prevalence of Bovine Respiratory Disease in Dairy Calves: A Comparative Study of Clinical Signs and Thoracic Ultrasound Screening. * Eltiam*, 11(1), 79-96. https://doi.org/10.61186/eltiamj.11.1.79