https://expertscape.com
Online version highlights associated authors/cities/institutions and well as publications
See also: Vitamin D and COVID papers - top authors and organizations - Dec 2021
Semantic Scholar author's papers and a graph of when they were published, and if a PDF is available
Google Scholar shows number of citations
See also Off Topic: 10 ways to find medical studies on the web VitaminDWiki
Table of contents
Vitamin D
Vitamin D Deficiency
Vitamin D Deficiency
Many of the top 12 are connected with Grassroots Health - see photos, videos, websites
Vitamin D Receptor
Vitamin K Deficiency
Omega-3
Iodine
Boron
Zinc