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APA Citation
Zhao, W., Wang, B., Zhao, A., Tian, Q., Zhang, L., Wang, L., Zhao, X., Yang, J., & Dong, D. (2019). the role of radiotherapy in patients with resected ampullary carcinoma: findings based on the SEER database. HPB, 21(11), 1535–1540. http://access.bl.uk/ark:/81055/vdc_100094873043.0x000016