“Detection of Staphylococcus Aureus, Streptococcus spp., and Mycoplasma Spp. With the Study of Hematological Picture Associated With Pneumonia in Calve”. 2022. Tikrit Journal of Veterinary Science, no. 1 (June): 47-51. https://tjvs.tu.edu.iq/index.php/tjvs/article/view/16.