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APA Citation
Peat, R., Furlong, J., Byrne, T., Young, R., Kangombe, A., Elkin, T., Renwick, S., Russell, D., Oelbaum, S., Burhan, H., & Walker, P. (n.d.). p198 Anchoring copd screening to drug services in heroin and crack smokers to improve diagnosis. Thorax, 71, A192. http://access.bl.uk/ark:/81055/vdc_100144725178.0x00003d