Affiliation: | 1.Department of Preclinical and Clinical Pharmacology, University of Florence, Viale G?.B. Morgagni 65, I-50134 Florence, Italy, Fax +39 55 4271 280, e-mail: mannaion@stat.ds.unfi.it,IT;2.Department of Human Anatomy and Histology, University of Florence, I-50134 Florence, Italy,IT |