AgranulocytosisAntithyroid AgentsMethimazoleLevamisoleClozapineDrug ContaminationPropylthiouracilVeterinary DrugsPhenylbutazoneDibenzazepinesChlorpropamideGraves DiseaseHLA-B38 AntigenAntinematodal AgentsAcecainideDipyroneGlutethimideHypochlorous AcidAnemia, AplasticMeprobamateLeukopeniaUnited States Public Health ServicePancytopeniaChlorpromazineDrug-Related Side Effects and Adverse ReactionsBone MarrowPyridonesBone Marrow ExaminationAmodiaquineNew MexicoGranulocyte Colony-Stimulating FactorAntipsychotic AgentsNeutropeniaHyperthyroidismLeukocyte CountDrug MonitoringPeroxidaseCocaineNeutrophils