New drugs were developed, and from the early 1980 ’ s, Multi - Drug Therapy (MDT) became the standard treatment worldwide.
नई औषधियाँ बनाई गयीं और १९८० के आरंभ से बहु - औषधीय उपचार [Multi - Drug Therapy (MDT)] संसार - भर में मानक उपचार बन गया ।