Name Info Provider Link
Macular Degeneration free resource MedlinePlus Health Information https://medlineplus.gov/maculardegeneration.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=20010320.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1097/IAE.0b013e3181c700a9