NT5E and acute lymphoblastic leukemia: Concerning \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${CD38}^{+}{CD73}^{+}$$\end{document}CD38+CD73+ double staining (Fig. 6), we did not find a significant difference in frequency when comparing B-ALL and control groups.