title: Measurement of in vivo mutations in human lymphocytes.
mesh_terms: D002478:Cells, Cultured; D002999:Clone Cells; D004351:Drug Resistance; D006801:Humans; D007041:Hypoxanthine Phosphoribosyltransferase / Q000235:genetics; D008214:Lymphocytes / Q000648:ultrastructure*; D009154:Mutation; D012641:Selection, Genetic; D013866:Thioguanine / Q000494:pharmacology
chemical_list: D007041:Hypoxanthine Phosphoribosyltransferase; D013866:Thioguanine