Capillary zone electrophoresis 1 Detecção UV 1 Eletoforese capilar de zona 1 Etambutol 1 Ethambutol Isoniazid 1 Isoniazida 1 Pirazinamida Pyrazinamide 1 Rifampicin 1 Rifampicina 1 Tuberculose 1 Tuberculosis 1 UV detection 1