Andresen, T., Niesters, M., Dahan, A., Morlion, B., O´Brien, T., & M. Drewes, A. (2021). Pharmacological Management of Chronic Pain: How to Deal with the Catch-22 Situation. Journal of Current Medical Research and Opinion, 4(02), 773−791. https://doi.org/10.15520/jcmro.v4i02.382