title: Effect of weightlessness on mineral metabolism; metabolic studies on Skylab orbital space flights.
mesh_terms: D001842:Bone and Bones / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism; D006801:Humans; D008297:Male; D008903:Minerals / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism; D010758:Phosphorus / Q000378:metabolism; D012146:Rest; D013026:Space Flight; D014893:Weightlessness
chemical_list: D008903:Minerals; D010758:Phosphorus; D009584:Nitrogen; D002118:Calcium