{. Lutz, P. Pury, G. Fioretta, und L. Raymond. European Journal of Cancer Prevention: The Official Journal of the European Cancer Prevention Organisation (ECP), 13 (1):
77--81(Februar 2004)PMID: 15075792.
M. Panjehpour, M. Castro, und K. Klotz. Br J Pharmacol, 145 (2):
211-8(Mai 2005)Panjehpour, Mojtaba Castro, Marian Klotz, Karl-Norbert Comparative
Study England British journal of pharmacology Br J Pharmacol. 2005
May;145(2):211-8..