Guideline: Vitamin D Supplementation for the General Population and Groups at Risk of Vitamin D Deficiency

Vitamin D Supplementation Guidelines for General Population and Groups at Risk of Vitamin D Deficiency in Poland—Recommendations of the Polish Society of Pediatric Endocrinology and Diabetes and the Expert Panel With Participation of National Specialist Consultants and Representatives of Scientific Societies—2018 Update – Frontiers in Endocrinology (free)