Adding Azathioprine to Remission-Induction Glucocorticoids for Eosinophilic Granulomatosis with Polyangiitis, Microscopic Polyangiitis or Polyarteritis Nodosa without Poor Prognosis Factors A Randomized-Controlled Trial.

Adding Azathioprine to Remission-Induction Glucocorticoids for Eosinophilic Granulomatosis with Polyangiitis, Microscopic Polyangiitis or Polyarteritis Nodosa without Poor Prognosis Factors A Randomized-Controlled Trial.