RxNormDrug Information ServicesPharmaceutical PreparationsDrug IndustryDrug DesignP-GlycoproteinDrug DiscoveryClinical Trials as TopicTerminology as TopicDrug Resistance, MultipleDrug Resistance, NeoplasmDrug Evaluation, PreclinicalDrug InteractionsMultidrug Resistance-Associated ProteinsDrug ResistanceAntineoplastic AgentsCytochrome P-450 Enzyme SystemNeoplasmsDose-Response Relationship, DrugCell Line, Tumor