1. Biology Data Handbook;Altman,1974
2. Polygammaglutamyl metabolites of methotrexate;Baugh;Biochem. Biophys. Res. Comm.,1973
3. Alteration of methotrexate uptake in human leukemia cells by other agents;Bender;Cancer Res.,1975
4. Mechanisms of antibiotic resistance in bacteria;Benveniste;Ann Rev. Biochem.,1973
5. The Biochemistry of Folic Acid and Related Pteridines;Blakley,1969