Optimizing the use of ketamine to reduce chronic postsurgical pain in women undergoing mastectomy for oncologic indication: study protocol for the KALPAS multicenter randomized con... Autor Jing Wang, Lisa V. Doan, Deborah Axelrod, John Rotrosen, Binhuan Wang, Hyung G. Park, Robert R. Edwards, Michele Curatolo, Carina Jackman, Raven Perez, NCATS Trial Innovation Network