1. The historical aspects of sarcoidosis;Postgrad Med J,1958
2. Sarcoidosis: a historical perspective;Clin Dermatol,2007
3. Sarcoidosis–the beginning: historical highlights of personalities and their accomplishments during the early years;J Natl Med Assoc,1984
4. Sarcoidosis;N Engl J Med,2007
5. Sarcoidosis;Lancet,2014