title: Abscence of metabolic co-operation between certain types of mammalian cells in culture.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002460:Cell Line / Q000201:enzymology / Q000378:metabolism*; D006224:Cricetinae; D004247:DNA / Q000096:biosynthesis; D007042:Hypoxanthines / Q000378:metabolism; D007668:Kidney; D007739:L Cells / Q000201:enzymology / Q000378:metabolism; D008407:Mast Cells / Q000201:enzymology / Q000378:metabolism; D009154:Mutation; D009713:Nucleotidyltransferases; D012313:RNA / Q000096:biosynthesis; D013936:Thymidine / Q000378:metabolism; D013937:Thymidine Kinase / Q000378:metabolism; D014316:Tritium
chemical_list: D007042:Hypoxanthines; D014316:Tritium; D012313:RNA; D004247:DNA; D013937:Thymidine Kinase; D009713:Nucleotidyltransferases; D013936:Thymidine