research Vitamin D and Human Health: Lessons from Vitamin D Receptor Null Mice 1533 citations, October 2008 in “Endocrine reviews” Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.
research Efficacy of Tofacitinib in Treatment of Alopecia Universalis in Two Patients 51 citations, June 2016 in “Journal of the European Academy of Dermatology and Venereology” Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.