Assertion: collagen | /r/ObjectUse | used in combination
Facets:
value: with other substances
type: OTHER
value: with silicones
type: OTHER
value: with fibroblasts
type: OTHER
value: with glycosaminoglycans
type: OTHER
value: with growth factors
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: These collagens may be derived from bovine, equine, porcine, or even human sources; and are sometimes used in combination with silicones, glycosaminoglycans, fibroblasts, growth factors and other substances.