Childhood-onset granulomatosis with polyangiitis and microscopic polyangiitis: systematic review and meta-analysis

The data from cohorts of childhood-onset granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA) remain scarce and heterogeneous. We aimed to analyse the features at presentation, therapeutic...
Source: Orphanet Journal of Rare Diseases - Category: Internal Medicine Authors: Source Type: research