TY - JOUR T1 - Recommended Health Based Limits in Occupational Exposure to Selected Mineral Dusts (Silica, Coal) JF - Thorax JO - Thorax SP - 706 LP - 706 DO - 10.1136/thx.41.9.706 VL - 41 IS - 9 AU - CACP Y1 - 1986/09/01 UR - http://thorax.bmj.com/content/41/9/706.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -