“Association Between the -308 and -238 Polymorphisms of the TNF-α Gene and Rheumatoid Arthritis (preliminary Data)”. Revista Ecuatoriana de Medicina y Ciencias Biológicas 34, no. 1-2 (August 14, 2017): 205–214. Accessed October 23, 2026. https://remcb-puce.edu.ec/remcb/article/view/244.