Yoon, D. ., Yoon, K. ., Baek, I. ., Ko, S. ., & Kim, S. . (2018). Predictors of analgesic efficacy of neurolytic celiac plexus block in patients with unresectable pancreatic cancer: the importance of timing. Supportive Care in Cancer : Official Journal of the Multinational Association of Supportive Care in Cancer. https://doi.org/10.1007/s00520-018-4043-2 (Original work published 2018)