title: Absence of an effect of amethopterin and 5-fluorodeoxyuridine upon levels of thymidine triphosphate in HeLa cells.
mesh_terms: D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D003597:Cytosine Nucleotides / Q000378:metabolism; D004273:DNA, Neoplasm / Q000032:analysis / Q000096:biosynthesis; D003854:Deoxyribonucleotides / Q000032:analysis; D003864:Depression, Chemical; D005467:Floxuridine / Q000494:pharmacology*; D006367:HeLa Cells / Q000378:metabolism*; D006801:Humans; D066298:In Vitro Techniques; D008727:Methotrexate / Q000494:pharmacology*; D013942:Thymine Nucleotides / Q000032:analysis / Q000378:metabolism*
chemical_list: D003597:Cytosine Nucleotides; D004273:DNA, Neoplasm; D003854:Deoxyribonucleotides; D013942:Thymine Nucleotides; D005467:Floxuridine; D008727:Methotrexate