1. Diagnosis and management of ocular leprosy;Choyce, D.P.;Br J Ophthalmol,1969
2. Ophthalmology in the Tropics;Somerset, E.V.,1962
3. Personal communication with Dr K;Survey, NELRA (National Leprosy,1978
4. Classification of leprosy according to immunity, a five group system;Ridley, D.S.; Jopling, W.S.;Int J Lepr,1966
5. Classification of leprosy;Leiker, D.L.;Lepr Rev,1966