title: Influence of weightlessness upon the skeleton: a review.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000728:Androgens / Q000627:therapeutic use; D001862:Bone Resorption / Q000209:etiology / Q000517:prevention & control; D001842:Bone and Bones / Q000378:metabolism*; D050723:Fractures, Bone / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D010710:Phosphates / Q000627:therapeutic use; D005082:Physical Exertion; D013026:Space Flight; D014893:Weightlessness
chemical_list: D000728:Androgens; D010710:Phosphates