James E. Ray

The antiproliferative and cell cycle effects of 5,6,7, 8-tetrahydro-N5,N10-carbonylfolic acid, an inhibitor of methylenetetrahydrofolate dehydrogenase, are potentiated by hypoxanthine.

S. B. Gates, L. L. Habeck, J. Tonkinson, 1998, The Journal of pharmacology and experimental therapeutics.