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Fleischman, Amy, Michael S. Hershfield, Stephan Toutain, Howard M. Lederman, Kathleen E. Sullivan, Mary Beth Fasano, Jeff Greene, and Jerry A. Winkelstein. "Adenosine Deaminase Deficiency and Purine Nucleoside Phosphorylase Deficiency in Common Variable Immunodeficiency." Clin Diagn Lab Immunol 1998.

Fleischman, Amy, et al. "Adenosine Deaminase Deficiency and Purine Nucleoside Phosphorylase Deficiency in Common Variable Immunodeficiency." Clin Diagn Lab Immunol 1998.