Assertion: cartilage's matrix | /r/HasProperty | selected
Facets:
Source sentences:
text: MSCs for cartilaginous differentiation were also obtained from Wharton jelly (human umbilical cord blood-derived MSCs/ hUCB-MSCs) , the perivascular matrix , the subchondral bone  or chondrogenic clonal MSCs (sC-MSCs)  were selected and used for cartilage regeneration experiments.