2011.12
Comparison of the effects of ossein-hydroxyapatite complex and calcium carbonate on bone metabolism in women with senile osteoporosis: a randomized, open-label, parallel-group, controlled, prospective study.
53名骨質疏鬆女性的臨床實驗，經3年追蹤，碳酸鈣組的骨質流失速度為牛骨蛋白複合物組的二倍。