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Life SciencesMicrobiologyPathologyBacteriologyMedical MicrobiologyPulmonologyClinical BacteriologyDiagnostic BacteriologyPulmonary InfectionsPulmonary PathologyPulmonary TuberculosisRespiratory DiseaseAcid-fast Bacilli Smear MicroscopyAcid-fast Bacilli StainingSputum ExaminationSputum MicrobiologySputum MicroscopySputum Smear MicroscopySputum Specimen Collection