Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1058-2746(19)30236-8
Bone Grafts	free resource	MedlinePlus Health Information	https://medlineplus.gov/bonegrafts.html
Free full Text at ORBi	free resource	ORBi (University of Liege)	https://hdl.handle.net/2268/247025