Name	Info	Provider	Link
	free resource	Atypon	https://journals.sagepub.com/doi/abs/10.1055/s-0035-1556582?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/26835203/
	free resource	Georg Thieme Verlag Stuttgart, New York	http://www.thieme-connect.com/DOI/DOI?10.1055/s-0035-1556582
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/26835203
	free resource	scite Smart Citations	https://scite.ai/reports/26835203