Figure 3From: Assessment of public health impact of work-related asthma New cases of occupational asthma in West-Midlands, UK, between 1980 and 2002 reported to the SHIELD register [14, 15]. The population of West-Midlands in 2001 was 5 267 308, 20-64 yr population 3 061 210, employed population 2 511 000.Back to article page