Association between <i>tumor necrosis factor-alpha polymorphisms</i> (<i>rs361525</i>, <i>rs1800629</i>, <i>rs1799724</i>, <i>1800630</i>, and <i>rs1799964</i>) and risk of psoriasis in studies following Hardy-Weinberg equilibrium: A systematic review and meta-analysis. Here, TNF is linked to psoriasis.