Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35854787/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/35854787
	free resource	Sheridan PubFactory	https://thejns.org/caselessons/doi/10.3171/CASE21374