Sobhani Eraghi A, Saberi S, Molazemsanandaji B, Ghaznavi A. Investigating changes in calcium, phosphorus, alkaline phosphatase, and 25-hydroxy Vitamin D after surgical repair of fractures of femur or tibia : Ca, PHP, ALP , and 25(OH)D Changes after femur or tibia surgery. Acta Biomed. 2020;92(1):e2021019. doi:10.23750/abm.v92i1.9327