1. Buu-Hoï, N. P., et al.: C.R. Acad. Sci. (Paris), Sér. D273, 708 (1971).
2. LD50 ca. 22.5 ?g/kg in the rat, see Verrett, J., in: Effects of 2,4,5-T on Man and the Environment. Hearings of the Committee on Commerce (U. S. Senate), April 7 and 15, 1970. U. S. Govt. Printing Office, Washington, D. C., 1970, p. 190.
3. Higginbotham, G. R., et al. Nature220, 702 (1968).
4. Buu-Hoï, N. P., et al.: C.R. Acad. Sci. (Paris), Sér. D272, 1447 (1971).
5. Reitman, S., Frankel, S.: Amer. J. Clin. Path.28, 56 (1957).