Transesophageal endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) and endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) biopsy: a combined approach in the evaluation of mediastinal lesions - Vilmann,P.; Krasnik,M.; Larsen,S.S.; Jacobsen,G.K.; Clementsen,P. (Endoscopy, 2005)