Bérard, A. ., Sheehy, O. ., Girard, S. ., Zhao, J. ., & Bernatsky, S. . (2018). Risk of preterm birth following late pregnancy exposure to NSAIDs or COX-2 inhibitors. Pain. https://doi.org/10.1097/j.pain.0000000000001163 (Original work published 2018)