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APA Citation
Hall, B., Holleran, G., Lawson, S., Regan, J., Murphy, M., McMahon, B., & McNamara, D. (n.d.). wHO NOSE? TRANSNASAL GASTROSCOPY MIGHT BE BEST–A PILOT FEASIBILITY, SAFETY AND ACCEPTABILITY COMPARATIVE STUDY. Gut, 62, A32–A33. http://access.bl.uk/ark:/81055/vdc_100135147305.0x000039