1. Selectivity of glycine, adenosine and thymidine protection of granulocytic progenitor cells versus tumor cells against MTX cytotoxicity in vitro: Correlation with the formation of MTX polyglutamate derivatives;Fabre;Cancer Res,1984
2. Analysis of the role of membrane transport and polyglutamylation of MTX in gut and the Ehrlich tumor in vivo as factors in drug sensitivity and selectivity;Fry;Cancer Res,1983
3. Formation of MTX polyglutamates in purified myeloid precursor cells from normal human bone marrow;Koizumi;J Clin Invest,1985
4. Synthesis, retention and biological activity of MTX polyglutamates in cultured human breast cancer cells;Jolivet;J Clin Invest,1982
5. Evidence for the cytotoxic activity of polyglutamate derivatives of MTX;Galivan;Mol Pharmacol,1980