From: Appendix B, Additional Methods Information
Screening for Vitamin D Deficiency in Adults: An Evidence Review for the U.S. Preventive Services Task Force [Internet].
Evidence Synthesis, No. 201.
Kahwati LC, LeBlanc E, Weber RP, et al.
Rockville (MD): Agency for Healthcare Research and Quality (US); 2021 Apr.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.