title: The effect of calf serum on the toxicity of 8-azaguanine.
mesh_terms: D000818:Animals; D001375:Azaguanine / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D002250:Carbon Radioisotopes; D002417:Cattle / Q000097:blood*; D002478:Cells, Cultured; D003470:Culture Media; D007042:Hypoxanthines / Q000097:blood; D015122:Mercaptopurine / Q000494:pharmacology; D009154:Mutation; D012641:Selection, Genetic; D013866:Thioguanine / Q000494:pharmacology
chemical_list: D002250:Carbon Radioisotopes; D003470:Culture Media; D007042:Hypoxanthines; D015122:Mercaptopurine; D013866:Thioguanine; D001375:Azaguanine