Assertion: cartilage's cell | /r/HasProperty | derived
Facets:
value: from umbilical cord blood
type: OTHER
value: from a tumor
type: OTHER
Source sentences:
text: But this is not always the case, such as when the cells are derived from a tumor.
text: This usually takes the form of a bone marrow transplantation, but the cells can also be derived from umbilical cord blood.