PT - JOURNAL ARTICLE AU - K Wernecke TI - Percutaneous biopsy of mediastinal tumours under sonographic guidance. AID - 10.1136/thx.46.3.157 DP - 1991 Mar 01 TA - Thorax PG - 157--159 VI - 46 IP - 3 4099 - http://thorax.bmj.com/content/46/3/157.short 4100 - http://thorax.bmj.com/content/46/3/157.full SO - Thorax1991 Mar 01; 46