TY - JOUR T1 - Percutaneous biopsy of mediastinal tumours under sonographic guidance. JF - Thorax JO - Thorax SP - 740 LP - 740 DO - 10.1136/thx.46.10.740 VL - 46 IS - 10 AU - M N Sheppard Y1 - 1991/10/01 UR - http://thorax.bmj.com/content/46/10/740.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -