BELGRADE, Mont., Nov. 14, 2016 (GLOBE NEWSWIRE) — Xtant Medical Holdings, Inc. (NYSE MKT:XTNT), a leader in the development of regenerative medicine products and medical devices, today announced the first surgical cases of the Xspan Laminoplasty Fixation System. The first two cases were performed by Dr. Francisco Vaz-Guimaraes at the Michael E. DeBakey VA Medical […]