Abd el-Khallek EY, Zaki S mohamed, Abo el-Ela AM, Allam MA el-R, Ismail MB, Abd el-Rashid M. Serum Level of Rheumatoid Factor and Anti-Nuclear Anti bodies in Patients with Helicobacter Pylori Related Gastric Lesions. JMPS [Internet]. 2018 Sep. 30 [cited 2025 Dec. 20];2(3):72-67. Available from: https://ajsrp.ojsexpert.com/index.php/jmps/article/view/932