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APA Citation
Rutter, M. D., Dolwani, S., East, J., Beckett, C., Bhandari, P., McKaig, B., Phull, P., Ragunath, K., Saunders, B., & O'Toole, P. (n.d.). defining, recognizing and describing significant polyp and early colorectal cancer lesions. Colorectal disease, 21, 11–13. http://access.bl.uk/ark:/81055/vdc_100084740884.0x00001f