Klinefelter's syndrome (47,XXY) among men with systemic lupus erythematosus. - Dillon S; Aggarwal R; Harding JW; Li LJ; Weissman MH; Li S; Cavett JW; Sevier ST; Ojwang JW; D'Souza A; Harley JB; Scofield RH (Acta paediatrica (Oslo, Norway : 1992), 2011)