Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=38&issue=3&spage=202&aulast=Gupta
Vitamin D Deficiency free resource MedlinePlus Health Information https://medlineplus.gov/vitaminddeficiency.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=26583614.ui
free resource scite Smart Citations https://scite.ai/reports/26583614
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1097/MPH.0000000000000475