O'Brien, T., & Mikus, G. (2017). European Pain Federation position paper on appropriate opioid use in chronic pain management. European journal of pain, 21(1), . https://doi.org/10.1002/ejp.970
Chicago Style (17th ed.) CitationO'Brien, Tony, and Gerd Mikus. "European Pain Federation Position Paper on Appropriate Opioid Use in Chronic Pain Management." European Journal of Pain 21, no. 1 (2017). https://doi.org/10.1002/ejp.970.
MLA (9th ed.) CitationO'Brien, Tony, and Gerd Mikus. "European Pain Federation Position Paper on Appropriate Opioid Use in Chronic Pain Management." European Journal of Pain, vol. 21, no. 1, 2017, https://doi.org/10.1002/ejp.970.
Warning: These citations may not always be 100% accurate.