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APA Citation
James, A. L., Cookson, W. O., Buters, G., Lewis, S., Ryan, G., Hockey, R., & Musk, A. W. (1986). symptoms and longitudinal changes in lung function in young seasonal grain handlers.. Occupational and environmental medicine, 43(9), 587–591. http://access.bl.uk/ark:/81055/vdc_100144738416.0x00004d