Research Article
Effects of 5-Fluorouracil on the Expression of Epigenetic Enzymes and Promoter Methylation of Selected Genes in Monolayer and Spheroid Cultures of Colorectal Cancer Cells
Maryam Niknam 1 
, Masoumeh Varedi 2, Mozhdeh Zamani 3, Pooneh Mokarram 3, Fakhraddin Naghibalhossaini 1,4 *