title: [Calcium metabolism and a Mars expedition: new problems].
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D000337:Aerospace Medicine; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000378:metabolism*; D002762:Cholecalciferol / Q000097:blood; D006801:Humans; D018535:Mars; D008954:Models, Biological; D018561:Space Simulation
chemical_list: D002762:Cholecalciferol; D002118:Calcium
vernacular_title: Obmen kal'tsiia i marsianskaia ékspeditsiia: novye problemy.