Schöttker, B., Kuznia, S., & Brenner, H. (2021). Efficacy of vitamin D3 supplementation on cancer mortality in the general population and the prognosis of patients with cancer: Protocol of a systematic review and individual patient data meta-analysis of randomised controlled trials. BMJ open, 11(1), . https://doi.org/10.1136/bmjopen-2020-041607
Chicago-Zitierstil (17. Ausg.)Schöttker, Ben, Sabine Kuznia, und Hermann Brenner. "Efficacy of Vitamin D3 Supplementation on Cancer Mortality in the General Population and the Prognosis of Patients with Cancer: Protocol of a Systematic Review and Individual Patient Data Meta-analysis of Randomised Controlled Trials." BMJ Open 11, no. 1 (2021). https://doi.org/10.1136/bmjopen-2020-041607.
MLA-Zitierstil (9. Ausg.)Schöttker, Ben, et al. "Efficacy of Vitamin D3 Supplementation on Cancer Mortality in the General Population and the Prognosis of Patients with Cancer: Protocol of a Systematic Review and Individual Patient Data Meta-analysis of Randomised Controlled Trials." BMJ Open, vol. 11, no. 1, 2021, https://doi.org/10.1136/bmjopen-2020-041607.