Assertion: comfrey's use | /r/HasProperty | recommended
Facets:
value: because of numerous reports of liver toxicity
type: CAUSE
Source sentences:
text: Neither internal nor extensive topical use of comfrey is recommended because of numerous reports of liver toxicity (see Toxicology).
text: Neither internal nor extensive topical use of comfrey can be recommended because of numerous reports of liver toxicity (see Toxicology).