Spanaki A, Linardakis E, Perdikogianni C, Stiakaki E, Morotti A, Cilloni D, Kalmanti M. Quantitative assessment of WT1 expression in diagnosis of childhood acute leukemia. Leuk Res. 2007 Apr;31(4):570–2. doi: 10.1016/j.leukres.2006.03.030. PMID: 16876863.