Calcium carbonate (480 mg elemental calcium) per day or placebo for 4.3 ± 1.1 yr Change in forearm BMD with preexisting fracture Calcium: 0.31% ± 0.25% per yr ( p < 0.05) ...

The packet renewal model is not appropriate when heat penetration to the packet is low and packet residence time is short. To ... (278,282,283) The reaction produces calcium carbonate (CaCO 3), which ...

Calcium carbonate was a minor component in all collected samples (<10%). Overall, there was a significant enrichment of Ca phosphates in disturbed pond sediments relative to pond sediments supporting ...