1. Chapin, G. & Wasserstrom, S. Nature 293, 181–185 (1981).
2. Rajagopal, R. Ind. J. med. Res. 66, 27–28 (1977).
3. Madhok, R. N. Report of the special committee to review the working of the NMEP (1967).
4. Dhir, S. L. Bull. Ind. Soc. Mal. Com. Dis. 5, 16–27 (1968).
5. Roy, R. G., Panchepakesan, A., Sitaraman, N. L., Ganesan, A. V. & Ghosh, R. B. Ind. J. med. Sci. 30, 313–316 (1976).