Name Info Provider Link
subscription/membership/fee required HighWire https://jnis.bmj.com/cgi/pmidlookup?view=long&pmid=34987072
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=34987072.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34987072/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/34987072