Short - Course: Using the right combination and the right amount of anti - TB drugs, known as short - course chemotherapy, for the right length of time is the fourth element of the DOTS strategy.
ये सभी दवाएँ मिलकर ऐसा असर दिखाती हैं कि टीबी बैक्टीरिया जीवित नहीं बच पाता ।