[1] Dipartimento Farmacologia Preclinica e Clinica,
[2] Università di Firenze,undefined
[3] Italy ,undefined
[4] Departament Bioquimica y Biologia Molecular,undefined
[5] Facultad de Medicina,undefined
[6] Universitat Autónoma de Barcelona,undefined
[7] 08193 Bellaterra,undefined
[8] Barcelona,undefined
[9] Spain,undefined
[10] Fax: (34) 581 1573/1907,undefined
[11] e-mail: ikbb1@cc.uab.es/ikbq2@cc.uab.es,undefined