RT Journal Article SR Electronic T1 Carboxyhaemoglobin in women exposed to different cooking fuels JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 688 OP 688 DO 10.1136/thx.46.9.688-e VO 46 IS 9 YR 1991 UL http://thorax.bmj.com/content/46/9/688.6.abstract AB