Assertion: comfrey | /r/HasProperty | applied to unbroken skin
Facets:
value: for less than 10 days
type: TEMPORAL
Source sentences:
text: Although not all side effects are known, comfrey is thought to be possibly safe when applied to unbroken skin for less than 10 days.
text: Although not all side effects are known, comfrey is thought to be possibly safe when applied to unbroken skin for less than 10 days.