A Hamzah A, I Ibrahim Z. Immunopathological Changes of Streptococcus pneumoniae Causing Respiratory Infection in Lambs. Iraqi J. Vet. Med. [Internet]. 2024 Dec. 28 [cited 2026 Jan. 6];48(2):38-45. Available from: https://www.jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/1733