1. Binet, L., et M. Burstein: C. r. Soc. Biol. (Paris) 141, 630 (1947).
2. D�rner, J.: Pfl�gers Arch. 257, 464 (1953 a).
3. Arch. exper. Path. u. Pharmakol. 220, 490 (1953 b); 221, 273 (1954 a); 221, 286 (1954 b).
4. Arch. Kreislaufforsch. 21, 88 (1954 c).
5. D�rner, J., u. H. J. Kuschke: Arch. exper. Path. u. Pharmakol. 224, 368 (1955).