title: A genetic complementation study of purine analogue resistance in Chinese hamster fibroblasts.
mesh_terms: D000818:Animals; D001375:Azaguanine / Q000494:pharmacology*; D002460:Cell Line; D006224:Cricetinae; D003412:Cricetulus; D004351:Drug Resistance; D005816:Genetic Complementation Test; D008168:Lung; D010641:Phenotype; D013866:Thioguanine / Q000494:pharmacology*
chemical_list: D013866:Thioguanine; D001375:Azaguanine