Ayaid Khadem Zgair, trans. 2013. “Plaque Forming Cell Technique for Counting IgG and IgM Antibody-Secreting Cells in Peripheral Blood of Patients With Rheumatoid Arthritis”. World Journal of Experimental Biosciences 1 (2): 37-42. https://journals.uniscipub.com/Wjebs/article/view/14.