AgranulocytosisAntithyroid AgentsMethimazoleLevamisoleClozapineDrug ContaminationPropylthiouracilVeterinary DrugsPhenylbutazoneDibenzazepinesChlorpropamideGraves DiseaseHLA-B38 AntigenAntinematodal AgentsAcecainideDipyroneGlutethimideHypochlorous AcidMeprobamateAnemia, AplasticLeukopeniaUnited States Public Health ServicePancytopeniaDrug-Related Side Effects and Adverse ReactionsChlorpromazineBone MarrowPyridonesAmodiaquineNew MexicoBone Marrow ExaminationGranulocyte Colony-Stimulating FactorAntipsychotic AgentsNeutropeniaHyperthyroidismDrug MonitoringLeukocyte CountPeroxidaseCocaine