1. Vitamin D supplementation guidelines;Pludowski,2018
2. Vitamin D and health - the missing vitamin in humans;Chang,2019
3. Vitamin D: nutrient, hormone, and immunomodulator;Sassi,2018
4. Dietary intake of vitamin D from dairy products reduces the risk of osteoporosis;Polzonetti,2020
5. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies;von Elm,2008