Spine
-
Multicenter Study
Impact of Chronic DMARD therapy in Patients with Rheumatoid Arthritis undergoing Surgery of the Craniovertebral Junction: A Multi-center Retrospective Study.
A multi-centered retrospective review from five institutions. ⋯ 3.
-
Multicenter Study Clinical Trial
Weekly Teriparatide versus Bisphosphonate for Bone Union during Six Months after Multi-Level Lumbar Interbody Fusion for Osteoporotic Patients: A Multicenter, Prospective, Randomized Study.
Multicenter, prospective randomized study. ⋯ 1.
-
Retrospective review of prospectively collected database. ⋯ 3.
-
Retrospective study. ⋯ 3.
-
Retrospective analysis. ⋯ 4.