Assertion: topical comfrey | /r/HasProperty | effective
Facets:
value: for joint pain
type: PURPOSE
value: according to a review
type: OTHER
Source sentences:
text: According to a review published in Phytotherapy Research, topical comfrey without PAs is both safe and effective for joint pain and swelling from arthritis, muscle pain, back pain, sprains and strains from sports or other accidents, and for contusions.