Volume 21, number 3 (March), 2006 (published online: December 19, 2005)

	Articles
1	Microplicae-like structures of the fallopian tube in postmenopausal women as shown by electron microscopy S. Correr, S. Makabe, R. Heyn, M. Relucenti, T. Naguro and G. Familiari pp 219-226
2	HER-2 status determination in breast carcinomas. A practical approach T. García-Caballero, M.D. Menéndez, A. Vázquez-Boquete, R. Gallego, J. Forteza and M. Fraga pp 227-236
3	Basement membrane heterogeneity during chick development as shown by tomato (Lycopersicon esculentum) lectin binding J.L. Ojeda and J.M. Icardo pp 237-248
4	Immunoexpression of the CD30 ligand/CD30 and IL-6/IL-6R signals in thyroid autoimmune diseases R.M. Ruggeri, G. Barresi, S. Sciacchitano, F. Trimarchi, S. Benvenga and M. Trovato pp 249-256
5	Histopathological changes in the brain of mouse fetuses by etoposide-administration C. Nam, G.H. Woo, K. Uetsuka, H. Nakayama and K. Doi pp 257-263
	Reviews
6	Application of in vivo cryotechnique to the examination of cells and tissues in living animal organs N. Terada, N. Ohno, Z. Li, Y. Fujii, T. Baba and S. Ohno pp 265-272
7	Gut-trophic feed additives and their effects upon the gut structure and intestinal metabolism. State of the art in the pig, and perspectives towards humans C. Domeneghini, A. Di Giancamillo, S. Arrighi and G. Bosi pp 273-283
8	Suppression of growth of tumour cell lines in vitro and tumours in vivo by mistletoe lectins I.F. Pryme, S. Bardocz, A. Pusztai and S.W.B. Ewen pp 285-299
9	Exploring cyclosporine A-side effects and the protective role-played by antioxidants: the morphological and immunohistochemical studies R. Rezzani pp 301-316
10	Mechanisms underlying estrogen-induced sexual differentiation in the hypothalamus R. Ohtani-Kaneko pp 317-324
11	Advances in molecular classification of renal neoplasms Q. Yin-Goen, J. Dale, W.-L. Yang, J. Phan, R. Moffitt, J.A. Petros, M.W. Datta, M.B. Amin, M.D. Wang and A.N. Young pp 325-339