Increasing Sensitivity of Morphological Diagnosis in Hepatocellular Carcinoma (HCC) by Combination of Cytological and Fine-Needle Histological Examination after Ultrasound Guided Fine Needle Biopsy - Caselitz, M; Masche, N; Bleck, J S; Gebel, M; Atay, Z; Stern, C; Manns, M P; Kubicka, S (Zeitschrift für Gastroenterologie, 2003)