Results Osteomalacia, osteoporosis and accelerated bone turnover were observed with elevated serum alkaline phosphatase ( ALP), osteocalcin ( BGP) and parathyroid hormone ( PTH) in rats fed on low calcium diet and fluoridized water for 2 months. 结果偏食低钙条件下饮高氟水2个月,引起骨软化和骨质疏松,成骨与破骨活动高度活跃,血清碱性磷酸酶(ALP)、骨钙素、甲状旁腺激素升高。