title: [Presenile and senile osteoporosis as in involutional process].
mesh_terms: D000368:Aged; D000375:Aging; D006801:Humans; D010024:Osteoporosis / Q000503:physiopathology*
vernacular_title: Predstarcheskiĭ i starcheskiĭ osteoporoz kak involiutsionnyĭ protsess.