title: Dilution of hypoxanthine-guanine phosphoribosyl transferase and other factors affecting the frequency of 6-thioguanine resistance in Chinese hamster lung cells.
mesh_terms: D000099:Acetoxyacetylaminofluorene / Q000494:pharmacology; D002460:Cell Line; D002470:Cell Survival; D004351:Drug Resistance; D005821:Genetic Techniques; D007041:Hypoxanthine Phosphoribosyltransferase / Q000378:metabolism*; D009154:Mutation; D013866:Thioguanine / Q000494:pharmacology*
chemical_list: D000099:Acetoxyacetylaminofluorene; D007041:Hypoxanthine Phosphoribosyltransferase; D013866:Thioguanine