Endoscopic Ultrasonography and Real-time Guided Fine-needle Aspiration - Biopsy of Solid Lesions of the Mediastinum Suspected of Malignancy - Pedersen,B.H.; Vilmann,P.; Folke,K.; Jacobsen,G.K.; Krasnik,M.; Milman,N.; Hancke,S. (Chest, 1996)