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APA Citation
D'Antiga, L., Betalli, P., De Angelis, P., Davenport, M., Di Giorgio, A., McKiernan, P. J., McLin, V., Ravelli, P., Durmaz, O., Talbotec, C., Sturm, E., Woynarowski, M., & Burroughs, A. K. (2015). interobserver Agreement on Endoscopic Classification of Oesophageal Varices in Children. Journal of pediatric gastroenterology and nutrition, 61(2), . http://access.bl.uk/ark:/81055/vdc_100057749300.0x000020