Name Info Provider Link
Indigestion free resource MedlinePlus Health Information https://medlineplus.gov/indigestion.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=30337705.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1038/s41395-018-0258-6