PT - JOURNAL ARTICLE AU - Dick Heederik AU - Frits van Rooy TI - Exposure assessment should be integrated in studies on the prevention and management of occupational asthma AID - 10.1136/oem.2005.024711 DP - 2008 Mar 01 TA - Occupational and Environmental Medicine PG - 149--150 VI - 65 IP - 3 4099 - http://oem.bmj.com/content/65/3/149.short 4100 - http://oem.bmj.com/content/65/3/149.full SO - Occup Environ Med2008 Mar 01; 65