2017. 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, 1-2 (Aug. 2017), 205–214. DOI:https://doi.org/10.26807/remcb.v34i1-2.244.