Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1008-1275(15)00134-0
Hip Injuries and Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/hipinjuriesanddisorders.html
	free resource	Editorial Board of Chinese Journal of Traumatology (English Edition)	http://www.sciencedirect.com/science/article/pii/S1008127515001340