RazenbergFGHeynensJWJan de VriesG. Clinical presentation of Churg-Strauss syndrome in children: A 12-year-old-boy with ANCA-negative Churg-Strauss syndrome. Respir Med Case Rep2012; 7: 4–7.
MasiATHunderGGLieJT. The American College of Rheumatology 1990 criteria for the classification of Churg-Strauss syndrome (allergic granulomatosis and angiitis). Arthritis Rheum1990; 33: 1094–1100.