The efficacy and safety of thalidomide versus azathioprine as steroid-sparing agents in Erythema Nodosum Leprosum (ENL): a randomized controlled trial. - Sahu, Deepak Kumar; Srinivasan, Anand; Thakur, Vishal; Balamurugan, Ramdass; Sethy, Madhusmita; Behera, Biswanath (Leprosy Review, 2026)