AgranulocytosisAntithyroid AgentsMethimazoleLevamisoleClozapineDrug ContaminationPropylthiouracilVeterinary DrugsPhenylbutazoneDibenzazepinesPostoperative ComplicationsChlorpropamideGraves DiseaseHLA-B38 AntigenAntinematodal AgentsAcecainideDipyroneGlutethimideHypochlorous AcidAnemia, AplasticMeprobamateLeukopeniaUnited States Public Health ServicePancytopeniaDrug-Related Side Effects and Adverse ReactionsChlorpromazineBone MarrowRetrospective StudiesPyridonesNew MexicoGranulocyte Colony-Stimulating FactorAmodiaquineBone Marrow ExaminationAntipsychotic AgentsNeutropeniaHyperthyroidismDrug MonitoringLeukocyte CountPeroxidaseIncidenceTreatment OutcomeIntraoperative ComplicationsCocaineNeutrophils