1. Anonym: Parathion Kills Two, Pest Control29, 68 (1961).
2. C�lice, J., J. Fournel, P. Hillion, P. Barthelm� etS. Roger: Arch. Mal. prof.22, 52, 108 (1961).
3. Culver, D., P. Caplan, andG. S. Batchelor: Arch. industr. Health.13, 37 (1956).
4. Draize, J. H., G. Woodward, andH. O. Calvery: J. Pharmacol. exp. Ther.82, 377 (1944).
5. Durham, W. F., andH. R. Wolfe: Bull. Wld Hlth Org.26, 75 (1962).