1. Carlens E. Mediastinoscopy. Dis Chest 1959;36:343-52.
2. An evaluation of mediastinoscopy in the management of presumably operable bronchial carcinoma;Pearson, F.G.;J Thorac Cardiovasc Surg,1968
3. Diagnostic anteria mediastinotomy;McNeill, T.M.; Chamberlain, I.M.,1966
4. Transthoracic needle biopsy;Dahlgren, S.E.; Nordenstrom, B.,1966
5. Bronchoscopic needle aspiration biopsy of paratracheal tumors;Wang, K.P.; Terry, P.; Marsh, B.;Am Rev Respir Dis,1978