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APA Citation
Ho, C. K., Lo, W. C., Huang, P. H., Wu, M. T., Christiani, D. C., & Lin, C. T. (1999). suspected nasopharyngeal carcinoma in three workers with long-term exposure to sulphuric acid vapour.. Occupational and environmental medicine, 56(6), 426–428. http://access.bl.uk/ark:/81055/vdc_100135573391.0x00001d