Name Info Provider Link
Vitamin D free resource MedlinePlus Health Information https://medlineplus.gov/vitamind.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27682437.ui
subscription/membership/fee required Wiley https://doi.org/10.1002/mnfr.201600476
free resource scite Smart Citations https://scite.ai/reports/27682437