AgranulocytosisAntithyroid AgentsNeutropeniaMethimazoleLevamisoleClozapineDrug ContaminationPropylthiouracilVeterinary DrugsPhenylbutazoneDibenzazepinesChlorpropamideGraves DiseaseHLA-B38 AntigenAntinematodal AgentsAcecainideDipyroneGlutethimideGranulocyte Colony-Stimulating FactorLeukopeniaAnemia, AplasticHypochlorous AcidMeprobamateUnited States Public Health ServicePancytopeniaDrug-Related Side Effects and Adverse ReactionsBone MarrowChlorpromazineBone Marrow ExaminationPyridonesLeukocyte CountAmodiaquineNew MexicoAntipsychotic AgentsHyperthyroidismNeutrophilsPeroxidaseDrug MonitoringCocaine