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Sample flow and analytical procedures. TB, tuberculosis; NALC–NaOH, N-acetyl-l-cysteine–sodium hydroxide; LJ, Löwenstein-Jensen medium; MGIT, mycobacterial growth indicator tube; pDST, phenotypic drug susceptibility testing; mDST, molecular drug susceptibility testing; LPA, line probe assay; RIF, rifampicin; INH, isoniazid.
