title: Opioid-induced long-term potentiation in the spinal cord is a presynaptic event.
authors.affiliation: Department of Anesthesiology and Perioperative Medicine, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA.
authors.forename: Hong-Yi
authors.initials: HY
authors.lastname: Zhou
authors.forename: Shao-Rui
authors.initials: SR
authors.lastname: Chen
authors.forename: Hong
authors.initials: H
authors.lastname: Chen
authors.forename: Hui-Lin
authors.initials: HL
authors.lastname: Pan