title: Replicon origins in Chinese hamsters cell DNA. I. Labeling procedure and preliminary observations.
mesh_terms: D000630:Aminopterin / Q000494:pharmacology; D000818:Animals; D001345:Autoradiography; D002460:Cell Line; D002478:Cells, Cultured / Q000187:drug effects / Q000378:metabolism*; D006224:Cricetinae; D004261:DNA Replication / Q000187:drug effects; D005467:Floxuridine / Q000494:pharmacology; D006918:Hydroxyurea / Q000494:pharmacology; D007700:Kinetics; D008938:Mitosis; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D005467:Floxuridine; D014316:Tritium; D000630:Aminopterin; D013936:Thymidine; D006918:Hydroxyurea