Affiliation: | (1) Laboratory of Histology, Department of Anatomy, Faculty of Veterinary Sciences, University of Santiago de Compostela, E-27002 Lugo, Spain Fax +34-82-252195; e-mail svidal@secuslugo.lugo.usc.es, ES;(2) Department of Physiology, Faculty of Veterinary Sciences, University of Santiago de Compostela, Spain, ES |