A. Grzanka, D. Grzanka: Distribution of Actin in Etoposide-Induced Leukemia Cell Line K-562 Using Fluorescence and Immunoelectron Microscopy Technique

M. Wagrowska-Danilewicz, M. Danilewicz: Pattern of Renal β1 (α1 - α6) Integrins Distribution in IgA Nephropathy and Henoch-Schoenlein Nephritis

E. Czeczuga-Semeniuk, S. Wolczynski, T. Anchim, J. Dzieciol, M. Dabrowska, M. Pietruczuk: Effect of Melatonin and All-Trans Retinoic Acid on the Proliferation and Induction of the Apoptotic Pathway in the Culture of Human Breast Cancer Cell Line MCF-7

I. Lewy-Trenda: Estrogen and Progesterone Receptors in Neoplastic and Non-Neoplastic Thyroid Lesions

M. Biczysko, P. Stajgis, J. Zeromski: Lymphocytes in the Structure of Non-Neoplastic Goitre

W. J. Lebkowski, J. Dzieciol: Degenerated Lumbar Intervertebral Disc. A Morphological Study

Case Reports

B. Papla, M. Machaczka, A. Skotnicki: Is It Possible to Identify Siblings by Studying Bone Marrow under A Microscope? Two Unusual Cases of Gaucher Disease

M. Chosia, J. Switala, W. Domagala: Nephrogenic Adenoma of the Bladder - a Case Report and Review of the Literature

G. Pasz-Walczak, D. Jesionek-Kupnicka, R. Kubiak, W. Biernat, J. Sygut, R. Kordek: Rhabdomyosarcomatous (Myoblastic) Phenotype of Metastatic Malignant Melanoma. A Case Report