Assertion: fetal tissue | /r/HasProperty | “ donated
Facets:
Source sentences:
text: Scientists have been using such material in medical research for decades to study (and possibly develop cures for) a number of diseases and medical ailments, but commercial fetal tissue transactions take place in something of a legal gray zone: agencies may sell fetal tissue that has been “donated” for that purpose (through abortion), but they may not profit from it.