title: [Presenile and senile osteoporosis--the problem of "age involution" of the bone].
mesh_terms: D000368:Aged; D000375:Aging; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D006801:Humans; D008903:Minerals / Q000378:metabolism; D010006:Osteoblasts / Q000378:metabolism; D010011:Osteocytes / Q000378:metabolism; D010024:Osteoporosis / Q000209:etiology*; D012936:Social Medicine
chemical_list: D008903:Minerals; D002118:Calcium
vernacular_title: Präsenile und senile Osteoporose--zur Problematik der "Altersinvolution" des Knochens.