Name	Info	Provider	Link
	free resource	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000330419
GERD	free resource	MedlinePlus Health Information	https://medlineplus.gov/gerd.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21846969.ui
Full text from	free resource	Kyoto University Research Information Repository - Articles	http://hdl.handle.net/2433/150118
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21846969
Asthma	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/asthma.html