TY - JOUR T1 - Occupational Exposure to Silica and Cancer Risk JF - Thorax JO - Thorax SP - 223 LP - 223 DO - 10.1136/thx.46.3.223-b VL - 46 IS - 3 AU - CS Y1 - 1991/03/01 UR - http://thorax.bmj.com/content/46/3/223.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -