Assertion: placebo's study | /r/CapableOf | establish the lack of long-term efficacy
Facets:
Source sentences:
text: This randomized study establishes the lack of long-term efficacy for intraarticular and medial branch facet blocks but suggests the possibility that when used as prognostic tools, these injections may possibly provide superior outcomes before radiofrequency ablation on some measures compared to control blocks Background: With facet interventions under scrutiny, the authors’ objectives were to determine the effectiveness of different lumbar facet blocks and their ability to predict radiofrequency ablation outcomes.