Assertion: acupuncture's efficacy | /r/HasProperty | uncertain
Facets:
value: due to lack of proper evidence
type: CAUSE
value: especially
type: DEGREE
Source sentences:
text: Acupuncture can be helpful for fibromyalgia, but the efficacy is uncertain due to lack of proper evidence.
text: So far, evidence supports its efficacy for some medical problems  especially certain kinds of pain.
text: Acupuncture can be helpful for fibromyalgia, but the efficacy is uncertain due to lack of proper evidence.