Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis - Fischer, Cecilie; Jakob, Franz; Kohl, Matthias 1973-; Kast, Stephanie; Von Stengel, Simon; Kerschan-Schindl, Katharina; Lange, Uwe; Thomasius, Friederike; Peters, Stefan; Uder, Michael; Kemmler, Wolfgang (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2023)