<qa>  What was the dose of azathioprine?Patients in whom prednisone doses could not be tapered below 20 mg, those who failed to enter remission and those who relapsed were randomized to receive either 6 months of oral azathioprine 2mgkgday or 6 cyclophosphamide pulses 0.6gm2 D1, D15, D30 then every month 