title: Young adult osteoporosis.
mesh_terms: D000328:Adult; D000367:Age Factors; D000469:Alkaline Phosphatase / Q000097:blood; D001692:Biological Transport; D001862:Bone Resorption; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000097:blood / Q000652:urine; D002132:Calcium Radioisotopes; D002762:Cholecalciferol / Q000378:metabolism; D003404:Creatinine / Q000378:metabolism; D005260:Female; D006801:Humans; D006909:Hydroxyproline / Q000652:urine; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D010006:Osteoblasts; D010010:Osteoclasts; D010024:Osteoporosis / Q000378:metabolism*; D010710:Phosphates / Q000097:blood / Q000652:urine; D012737:Sex Factors; D013997:Time Factors; D014316:Tritium
chemical_list: D002132:Calcium Radioisotopes; D010710:Phosphates; D014316:Tritium; D002762:Cholecalciferol; D003404:Creatinine; D000469:Alkaline Phosphatase; D006909:Hydroxyproline; D002118:Calcium