Drug HypersensitivityDrug Hypersensitivity SyndromeDrug EruptionsStevens-Johnson SyndromeDrug-Related Side Effects and Adverse ReactionsHLA-B AntigensHypersensitivity, DelayedAnti-Inflammatory Agents, Non-SteroidalSyndromeRxNormDrug Information ServicesPharmaceutical PreparationsDrug IndustryDrug DesignP-GlycoproteinHypersensitivityClinical Trials as TopicDrug DiscoveryTerminology as TopicDrug Resistance, MultipleDrug Resistance, NeoplasmDrug Evaluation, PreclinicalDrug InteractionsAlveolitis, Extrinsic Allergic