BALIS, M E THE INTERCONVERSION OF PURINES BY TUMORS AND THE ACTION OF ANTI-PURINES. [electronic resource] - Acta - Unio Internationalis Contra Cancrum 1964 - 115-7 p. digital Publication Type: Journal Article ISSN: 0365-3056 Subjects--Topical Terms: AnimalsAntineoplastic AgentsAspartic AcidAzaguanineCarbon IsotopesGlycineGuanine NucleotidesImidazolesLiverLyasesMercaptopurineMetabolismMiceNeoplasms, ExperimentalNucleotidesPharmacologyPurinesResearchSarcoma 180Thioguanine