AgranulocytosisAntithyroid AgentsMethimazoleLevamisoleClozapineDrug ContaminationPropylthiouracilVeterinary DrugsLeukocyte CountPhenylbutazoneDibenzazepinesChlorpropamideGraves DiseaseHLA-B38 AntigenAntinematodal AgentsAcecainideDipyroneGlutethimideLeukopeniaHypochlorous AcidAnemia, AplasticMeprobamateUnited States Public Health ServiceBone MarrowPancytopeniaGranulocyte Colony-Stimulating FactorChlorpromazineDrug-Related Side Effects and Adverse ReactionsLeukocytesNew MexicoPyridonesAmodiaquineBone Marrow ExaminationAntipsychotic AgentsNeutropeniaHyperthyroidismPeroxidaseDrug MonitoringNeutrophilsCocaine