Dreval, Aleksandr, Larissa Marchenkova, and Olga Lesniak. “A Modern Opinion Concerning the Role of Calcium and Vitamin D in the Prevention and Treatment of Osteoporosis”. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, no. 4 (October 29, 2009): 123–127. Accessed May 5, 2024. http://otp-journal.com.ua/article/view/18284.