Visnjevac, Ognjen Digital subtraction angiography versus real-time fluoroscopy for detection of intravascular penetration prior to epidural steroid injections: meta-analysis of prospective studies. [electronic resource] - Pain physician - 29-36 p. digital Publication Type: Comparative Study; Journal Article; Meta-Analysis ISSN: 2150-1149 Subjects--Topical Terms: Angiography, Digital Subtraction--methodsContrast MediaFluoroscopy--methodsGlucocorticoidsHumansInjections, Epidural--methodsObservational Studies as TopicProspective StudiesSpinal Cord Injuries--prevention & controlTherapy, Computer-Assisted--methods