title: Regulation of calcium metabolism during prolonged antiorthostatic hypokinesia.
mesh_terms: D001510:Bed Rest; D002118:Calcium / Q000097:blood / Q000378:metabolism* / Q000652:urine; D006801:Humans; D008274:Magnesium / Q000652:urine; D008297:Male; D009043:Motor Activity; D013997:Time Factors
chemical_list: D008274:Magnesium; D002118:Calcium