title: Pure or tarnished: are systematic reviews blind or biased?
authors.forename: Raymond J
authors.initials: RJ
authors.lastname: Lanzafame
mesh_terms: D015982:Bias; D015706:Bibliometrics; D006801:Humans; D028022:Low-Level Light Therapy; D010003:Osteoarthritis / Q000453:epidemiology / Q000532:radiotherapy*; D016032:Randomized Controlled Trials as Topic; D012196:Review Literature as Topic; D012680:Sensitivity and Specificity