1. FIDLER, H. K., GLASGOW, R. D. & CARMICHAEL, E. B. (1940) : Pathological changes produced by the subcutaneous injection of rattlesnake (Crotalaus) venom into Macaca mulatta monkeys. Am. J. Path., 16, 355-364.
2. FINNEY, D. J. (1952) : Statistical method in biological assay. 1st Ed. pp. 99-138, Charles Griffin & Company Limited. London.
3. JERNE, N. K. & WOOD, E. C. (1949) : The validity and meaning of the results of biological assays. Biometrics, 5, 273-299.
4. MINTON, S. A. JR. (1956) : Some properties of North American pit viper venoms and their correlation with phylogeny. “Venoms” 1st Ed. pp. 145-151, American Association for the advancement of Science. Washington.
5. MITSUHASHI, S., MAENO, H., KAWAKAMI, M., HASHIMOTO, H., SAWAI, Y., MIYAZAKI, S., MAKINO, M., KOBAYASHI, M., OKONOGI, T. & YAMAGUCHI, K. (1959) : Studies on Habu snake venom. 1. Comparison of several biological activities of fresh and dried Habu snake venom. Jap. J. Microb., 3, 95-103.