title: Synthesis of small polynucleotide chains in human lymphoblasts pretreated with methotrexate: A possible mechanism for DNA chain growth.
mesh_terms: D002499:Centrifugation, Density Gradient; D004261:DNA Replication; D006801:Humans; D066298:In Vitro Techniques; D007700:Kinetics; D008214:Lymphocytes / Q000187:drug effects / Q000378:metabolism*; D008727:Methotrexate / Q000494:pharmacology*; D009691:Nucleic Acid Denaturation; D012313:RNA / Q000096:biosynthesis; D013942:Thymine Nucleotides / Q000037:antagonists & inhibitors
chemical_list: D013942:Thymine Nucleotides; D012313:RNA; D008727:Methotrexate