[1] Erickson, P. T.: Relapse following Apparent Arrest of Leprosy by Sulphone Therapy, Public Health Reports, 65:1147-1157, 1950.
[2] Lowe, John: The Late Results of Sulphone Treatment of Leprosy in East Nigeria, Leprosy Review, 25:113-124, 1954.
[3] The Sixth International Congress of Lenrology, Madrid, October 3rd-11th, 1953.
[4] Dharmandra, Chatterjee, S. N., and Sen, N.:Treatment of Leprosy with Novotrone, Leprosy in India, 23:154-160, 1951.
[5] Leonard Wood Memorial Conference, Manilla; Philipp. J. Sci., 14:449, 1931.
[6] Cochrane, R. G.: A Practical Textbook of Leprosy, 92-93, Oxford University Press, 1947.