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Experimental Cell Research|July 1, 1987
Genetic demonstration that the mutationally expressed nucleobase transporter of mouse S49 cells is nonconcentrativeJ Beck, B UllmanAdvances in Experimental Medicine and Biology|January 1, 1986
Mammalian mutants genetically altered in CTP synthetase activityB Aronow, B UllmanProceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)|September 1, 1985
Genetic analysis of the 6-thiobenzylpurine binding site of the nucleoside transporter in mouse lymphoblastsB Aronow, B UllmanThe Journal of Biological Chemistry|December 25, 1985
Thymidine incorporation in nucleoside transport-deficient lymphoma cellsB Aronow, B UllmanThe Journal of Biological Chemistry|April 4, 1997
The conserved serine-tyrosine dipeptide in Leishmania donovani hypoxanthine-guanine phosphoribosyltransferase is essential for catalytic activityA Jardim, B UllmanThe Journal of Biological Chemistry|April 10, 1983
Characterization of a cultured human T-cell line with genetically altered ribonucleotide reductase activity. Model for immunodeficiencyD Waddell, B UllmanAdvances in Experimental Medicine and Biology|January 1, 1989
Expression of a novel high affinity purine base transport system in mutant mouse S49 cells does not require a functional nucleoside transporterJ Beck, B UllmanAdvances in Experimental Medicine and Biology|January 1, 1989
AMP deaminase and thymidine kinase deficiencies in a mutant mouse S49 cell cloneS Hanson, B UllmanInfectious Agents and Disease|March 1, 1995
Hypoxanthine-guanine phosphoribosyltransferase as a therapeutic target in protozoal infectionsB Ullman, D CarterInternational Journal for Parasitology|February 1, 1997
Molecular and biochemical studies on the hypoxanthine-guanine phosphoribosyltransferases of the pathogenic haemoflagellatesB Ullman, D CarterPageof 15