Assertion: collagen's type | /r/MadeOf | purified human collagen
Facets:
value: highly
type: DEGREE
Source sentences:
text: Type I and type III injectable human collagen was made from highly purified human collagen obtained from placentas according to a known method for collagen extraction and purification .
text: Type I and type III injectable human collagen was made from highly purified human collagen obtained from placentas according to a known method for collagen extraction and purification .