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APA Citation
Haldar, P., Thuraisingam, H., Patel, H., Pereira, N., Free, R. C., Entwisle, J., Wiselka, M., Hoskyns, E. W., Monk, P., Barer, M. R., & Woltmann, G. (2013). single-step QuantiFERON screening of adult contacts: a prospective cohort study of tuberculosis risk. Thorax, 68(3), 240–246. http://access.bl.uk/ark:/81055/vdc_100137785416.0x00002d