Obayes, Hayder Shkhair, and Frial Gameel Abd. “Some Aspects of Immune Response to Lipopolysaccharides of Providencia Rettgeri”. Al-Kufa University Journal for Biology, vol. 5, no. 2, Dec. 2013, https://journal.uokufa.edu.iq/index.php/ajb/article/view/7774.