X Collar versus conventional cervical collar (Structured abstract)      
X-ray series for foot and ankle injuries: clinical evidence, cost-effectiveness, and guidelines (Structured abstract)      
X-ray versus gamma irradiation of blood components for prevention of transfusion-associated graft versus host disease: a brief report (Structured abstract)      
X-rays of the lower back in the 20 to 49 age patient group referred from primary section (Structured abstract)      
X Stop interspinous process decompression system (Kyphon Inc.) for lumbar spinal stenosis (Structured abstract)      
X stop interspinous process decompression system (Medtronic Spine LLC) for lumbar spinal stenosis (Structured abstract)      
X stop interspinous process decompression system (Medtronic Spine LLC) for lumbar spinal stenosis (Structured abstract)      
X Stop Interspinous Process Decompression System (Medtronic Spine LLC) for lumbar spinal stenosis (Structured abstract)      
Xaliproden (Xalprila) for Alzheimer's disease: horizon scanning technology briefing (Structured abstract)      
XEN Gel Stent for glaucoma treatment (Structured abstract)      
Xenex PX ultraviolet light disinfection system (Xenex Disinfection Services LLC) for prevention of hospital-acquired infection (Structured abstract)      
Xenotransplantation of cells (Structured abstract)      
Xenotransplantation: renal transplantation example - early assessment briefs (ALERT) (Structured abstract)      
Xenotransplantation (Structured abstract)      
Xenotransplantation: tested on heart and kidneys - short version (Structured abstract)      
XG 102 for post-operative inflammation and pain following cataract surgery (Structured abstract)      New 
Xiaflex (collagenase Clostridium histolyticum) (Auxilium Pharmaceuticals Inc.) for dupuytren contracture (Structured abstract)      
Xiaflex (collagenase clostridium histolyticum) (Auxilium Pharmaceuticals Inc.) for dupuytren contracture (Structured abstract)      
Xigris for severe sepsis - horizon scanning review (Structured abstract)      
Ximelagatran for prevention and treatment of venous thromboembolism (Structured abstract)      
Ximelagatran for the prophylaxis of various complications due to thrombosis (Structured abstract)      
Ximelagatran in prevention of cardiovascular events (Structured abstract)      
Xofigo (radium-223 dichloride; Bayer HealthCare Pharmaceuticals Inc.) for treatment of bone metastases in castration-resistant prostate cancer (Structured abstract)      
Xoft Axxent eBx electronic brachytherapy system (iCAD Inc.) for early-stage breast cancer (Structured abstract)      
Xpert MTB/RIF test for tuberculosis (Structured abstract)      
XStatŪ Hemostatic Device for non-compressible junctional haemorrhage (Structured abstract)