König, D. ., Oesser, S. ., Scharla, S. ., Zdzieblik, D. ., & Gollhofer, A. . (2018). Specific Collagen Peptides Improve Bone Mineral Density and Bone Markers in Postmenopausal Women-A Randomized Controlled Study. Nutrients, 10(1). https://doi.org/10.3390/nu10010097 (Original work published 2018)