Alterations in enzyme activity in tumors and the implications for chemotherapy.
D000619:Aminohydrolases / Q000032:analysis*; D000818:Animals; D000963:Antimetabolites / Q000627:therapeutic use*; D006801:Humans; D051379:Mice; D009374:Neoplasms, Experimental / Q000188:drug therapy / Q000201:enzymology*; D009705:Nucleosides / Q000378:metabolism* / Q000627:therapeutic use*
D000963:Antimetabolites; D009705:Nucleosides; D000619:Aminohydrolases