[Effect of purine antagonist (8-azaguanine) on malignant tumor].
D000963:Antimetabolites; D001375:Azaguanine; D006147:Guanine / Q000037:antagonists & inhibitors*; D009369:Neoplasms / Q000628:therapy*
D000963:Antimetabolites; D006147:Guanine; D001375:Azaguanine
GUANINE/antagonists; NEOPLASMS/therapy