Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.2176/nmc.oa.2018-0232
Spine Injuries and Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/spineinjuriesanddisorders.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30760656/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30760656
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0470-8105&volume=59&issue=3&spage=98