Name	Info	Provider	Link
	free resource	Atypon	https://journals.physiology.org/doi/10.1152/ajpgi.2001.281.2.G560?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/11447037/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/11447037