Name Info Provider Link
Depression free resource MedlinePlus Health Information https://medlineplus.gov/depression.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19014078.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19014078/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/19014078
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/sleep/article-lookup/doi/10.1093/sleep/31.11.1579