TY - JOUR T1 - Occupational Lung Diseases JF - Thorax JO - Thorax SP - 1068 LP - 1068 DO - 10.1136/thx.51.10.1068-b VL - 51 IS - 10 AU - RH Y1 - 1996/10/01 UR - http://thorax.bmj.com/content/51/10/1068.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -