Modulation of antifolate cytotoxicity by metabolites from dying cells in a lymphocyte clonal assay

Limiting dilution assays for the determination of immunocompetent cell frequencies. I. Data analysis.

1981 • 1,281 citations

T-cell cloning to detect the mutant 6-thioguanine-resistant lymphocytes present in human peripheral blood.

1982 • 386 citations

Measurement of in vivo mutations in human lymphocytes

1983 • 233 citations

Hypoxanthine as a Measurement of Hypoxia

1975 • 210 citations

Immunohistochemical detection of proliferating cells in vivo.

1987 • 163 citations

Alterations of the hprt gene in human in vivo-derived 6-thioguanine-resistant T lymphocytes

1985 • 143 citations

Ethyl methanesulphonate mutagenesis with L5178Y mouse lymphoma cells: A comparison of ouabain, thioguanine and excess thymidine resistance

1976 • 75 citations

Thymidine and hypoxanthine requirements of normal and malignant human cells for protection against methotrexate cytotoxicity.

1981 • 70 citations

Methotrexate cytotoxicity in cultured human leukemic cells studied by flow cytometry.

1981 • 55 citations

Methods for study of mutations and mutagenesis in human lymphocytes

1985 • 50 citations

Simple and rapid high-performance liquid chromatographic method for analysis of nucleosides in biological fluids

1982 • 39 citations

Regional variation in human extracellular purine levels.

1983 • 32 citations

Purine modulation of methotrexate cytotoxicity in mammalian cell lines.

1982 • 28 citations

Critical modulation by thymidine and hypoxanthine of sequential methotrexate-5-fluorouracil synergism in murine L1210 cells.

1983 • 20 citations

Endogenous thymidine and hypoxanthine are a source of error in evaluating methotrexate cytotoxicity by clonogenic assays using undialyzed fetal bovine serum

1986 • 19 citations