G. Pasz-Walczak, R. Kordek: Comparative Evaluation of the Expression of Cell Cycle Regulating Proteins: Cyclin D1, P53 and P21 (WAF1) in Colorectal Cancer

E. Korobowicz, M. Zdunek: Immunohistochemical Study of p53 in non-Small Cell Lung Cancer before and after Preoperative Chemotherapy

M. Zdunek, E. Korobowicz: Expression of PCNA in non-Small Cell Lung Cancer before and after Treatment with Cisplatin and Vepeside

R. K. Maryniak, K. Szczaluba, M. Ignatowska-Switalska, B. Wocial, W. Januszewicz: Immunomorphological Studies and Cytometric DNA Ploidy in Diagnostics of Pheochromocytoma

M. Chosia, C. Marsan, J. Ferrand, W. Domagala: Quality Control in Cytodiagnosis of Carcinoma of the Cervix

G. Dyduch, K. Okon: Proliferation and Apoptosis within the Oral Mucosa "Hemangiomas"

Case Report

D. Adamek, J. Kaluza, B. Tomik, U. Wyrwicz-Petkow, A. Szczudlik: Progressive Multifocal Leukoencephalopathy (PML) in a Patient with Silicosis Treated Previously with Steroids. A Report of a Case with JC Virus Infection Confirmed Immunohistochemically and by Electron Microscopy