Tumor necrosis factor-〈 -308 G>A polymorphism and risk of systemic sclerosis in a mexican population: association with skin thickening and autoantibodies. - Hernández-Bello, J.; Lomeli-Nieto, J.A.; Baños-Hernández, C.J.; Navarro-Zarza, J.E.; Parra-Rojas, I.; Muñoz-Valle, J.F. (Clinica Chimica Acta, 2019)