Name	Info	Provider	Link
GERD	free resource	MedlinePlus Health Information	https://medlineplus.gov/gerd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30970442/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30970442
	free resource	Inforang	http://www.gutnliver.org/journal/view.html?doi=10.5009/gnl18378