RETRACTED: Combined GSTM1-Null, GSTT1-Active, GSTA1 Low-Activity and GSTP1-Variant Genotype Is Associated with Increased Risk of Clear Cell Renal Cell Carcinoma. - Coric VM; Simic TP; Pekmezovic TD; Basta-Jovanovic GM; Savic Radojevic AR; Radojevic-Skodric SM; Matic MG; Dragicevic DP; Radic TM; Bogdanovic LM; Dzamic ZM; Pljesa-Ercegovac MS (PloS one, 2016)