1. Transthoracic needle biopsy for diagnosis of lung tumors;Alonso, P.; Ponce de Leon, H.; Cano-Valle, F.;Acta Cytologica,1971
2. Det flexible bronchofiberskop. Ugeskrift for Lagger;Borgeskov, S.; Becker, J.; Bisgaard-Pedersen, A.,1973
3. Statistical Studies in the Aetiology of Malignant Neoplasms;Clemmesen, J.,1964
4. Transthoracic needle biopsy or bronchoscopic biopsy?;Dahlgren, S.E.; Lund, B.;Scandinavian Journal of Respiratory Diseases,1969
5. Explorativ thoracotomi;Jensen, H.-E.,1965