“Immunopathological Changes of Streptococcus Pneumoniae Causing Respiratory Infection in Lambs”. The Iraqi Journal of Veterinary Medicine 48, no. 2 (December 28, 2024): 38–45. Accessed January 4, 2025. https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1733.