Olivieri, Ignazio Efficacy, safety and cost per responder of biologics in the treatment of non-radiographic axial spondyloarthritis. [electronic resource] - Clinical and experimental rheumatology - 935-940 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 0392-856X Subjects--Topical Terms: Adalimumab--economicsBiological Products--adverse effectsCertolizumab Pegol--economicsCost-Benefit AnalysisDrug CostsEtanercept--economicsHumansModels, EconomicRandomized Controlled Trials as TopicRecovery of FunctionRemission InductionSacroiliac Joint--diagnostic imagingSpine--diagnostic imagingSpondylarthritis--diagnostic imagingTime FactorsTreatment OutcomeTumor Necrosis Factor-alpha--antagonists & inhibitors