Name	Info	Provider	Link
	free resource	Baishideng Publishing Group Inc.	https://www.wjgnet.com/1007-9327/full/v27/i48/8227.htm
GERD	free resource	MedlinePlus Health Information	https://medlineplus.gov/gerd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35068867/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/35068867