Marsh, S Polymorphism in the thymidylate synthase promoter enhancer region in colorectal cancer. [electronic resource] - International journal of oncology Aug 2001 - 383-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1019-6439 Standard No.: 10.3892/ijo.19.2.383 doi Subjects--Topical Terms: Colorectal Neoplasms--geneticsDNA, Neoplasm--chemistryEnhancer Elements, Genetic--geneticsGene FrequencyGenotypeHumansPolymorphism, GeneticPromoter Regions, Genetic--geneticsTandem Repeat Sequences--geneticsThymidylate Synthase--genetics