Z. Nur, F. R. Mohammed, M. H. Chowdhury, M. Z. Shams, M. B. Alam, and H. N. Ahasan, “Steroid Dependent Ulcerated Erythema Nodosum Leprosum 16 Years after Successful Treatment of Leprosy”, J. Medicine, vol. 10, no. 1, pp. 31–33, Feb. 2009.