Assertion: bone marrow's stem cell | /r/HasProperty | identified as another psc type
Facets:
value: since
type: TEMPORAL
value: in murine bone marrow
type: LOCATION
Source sentences:
text: very small embryonic/epiblast-like (VSEL) stem cells have since been identified as another PSC type in murine bone marrow  and human umbilical cord blood .