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APA Citation
Arthur, J. A., Tang, M., Lu, Z., Hui, D., Nguyen, K., Rodriguez, E. M., Edwards, T., Yennurajalingam, S., Dalal, S., Dev, R., Reddy, A., Tanco, K., Haider, A., Liu, D. D., & Bruera, E. (2021). random urine drug testing among patients receiving opioid therapy for cancer pain. Cancer, 127(6), 968–975. http://access.bl.uk/ark:/81055/vdc_100123971008.0x000061