Baumann, Michael, Sergio U. Dani, Daniel Dietrich, Andreas Hochstrasser, Dirk Klingbiel, Michael T. Mark, Walter F. Riesen, Thomas Ruhstaller, Arnoud J. Templeton, and Beat Thürlimann. 2018. “Vitamin D Levels in Swiss Breast Cancer Survivors”. Swiss Medical Weekly 148 (0304):w14576. https://doi.org/10.4414/smw.2018.14576.