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Chromatograms for drugs extracted from patient hair samples (Panel A) and MDR-TB drug panel (Panel B) showing multiple transitions monitored for each drug. PZA = pyrazinamide; LFX = levofloxacin; MFX = moxifloxacin; LZD = linezolid; KAN = kanamycin; DLM = delanamid; BDQ = bedaquiline; cps = counts per second; MDR-TB = multidrug-resistant tuberculosis.
