1. Skinsnes OK. 1964. The immunopathologic spectrum of leprosy, p 152–182. In Leprosy in theory and practice. John Wright & Sons Ltd, Bristol.
2. Ridley DS, Jopling WH. 1966. Classification of leprosy according to immunity – a five-group system. Int J Lepr Other Mycobact Dis 34:255–273.
3. Scollard DM, Adams LB, Gillis TP, Krahenbuhl JL, Truman RW, Williams DL. 2006. The continuing challenges of leprosy. Clin Microbiol Rev 19(2):338–381.
4. Scollard DM, Truman RW, Ebenezer GJ. 2015. Mechanisms of nerve injury in leprosy. Clin Dermatol 33(1):46–54.
5. Job CK. 1989. Nerve damage in leprosy. Int J Lepr Other Mycobact Dis 57:532–539.