Assertion: placebo's study | /r/CapableOf | select patient
Facets:
value: via intraarticular injections
type: MANNER
value: for radiofrequency ablation
type: PURPOSE
Source sentences:
text: For example, placebo-controlled studies that selected patients for radiofrequency ablation via intraarticular injections have yielded equivocal or negative results,23–25 while those that selected patients by medial branch blocks generally,26–29 but not always,30 reported positive findings, although methodologic differences preclude direct comparisons.
text: For example, placebo-controlled studies that selected patients for radiofrequency ablation via intraarticular injections have yielded equivocal or negative results,while those that selected patients by medial branch blocks generally,but not always,reported positive findings, although methodologic differences preclude direct comparisons.