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APA Citation
Andreyev, H. J. N., Muls, A. C., Shaw, C., Jackson, R. R., Gee, C., Vyoral, S., & Davies, A. R. (2017). guide to managing persistent upper gastrointestinal symptoms during and after treatment for cancer. Frontline gastroenterology, 8(4), 295–323. http://access.bl.uk/ark:/81055/vdc_100137791420.0x000008