Rifampicin/isoniazid/pyrazinamide/ethambutol and Isoniazid/rifampicin
Drug resistance in rifampicin-susceptible pulmonary tuberculosis : 2 case reports-
Serious
An event is determined to be serious (based on the ICH definition) when the patient outcome is:
death
life-threatening
hospitalisation
disability
congenital anomaly
other medically important event