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APA Citation
Shen, C., Dasari, A., Xu, Y., Zhou, S., Gu, D., Chu, Y., Halperin, D., Shih, Y., & Yao, J. (2018). pre-existing Symptoms and Healthcare Utilization Prior to Diagnosis of Neuroendocrine Tumors: A SEER-Medicare Database Study. Scientific reports, 8(1), 1–10. http://access.bl.uk/ark:/81055/vdc_100086853210.0x00004e