Najim, N. "The Combined Effect of Bacteriocin-Producing Lactobacillus Rhamnosus GG-ATCC and Lactoperoxidase System Activation on Microbiological Quality of Raw Milk With Special Emphasis Against E.Coli O157:H7 in Mil"k. المجلة الطبية البيطرية العراقية, م 40, عدد 2, Jan. 2017, ص 66-72, http://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/114.