It has been suggested that idiopathic nonspecific interstitial pneumonia has an autoimmune mechanism .
Is a possible complication of undifferentiated connective tissue disease , however not enough research has been done at this time to find a cause .
It has been suggested that idiopathic nonspecific interstitial pneumonia has an autoimmune mechanism , and is a possible complication of undifferentiated connective tissue disease , however not enough research has been done at this time to find a cause .