title: [Osteopenias. Classification and clinical aspects].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D007014:Hypophosphatasia / Q000145:classification* / Q000209:etiology; D008875:Middle Aged; D010018:Osteomalacia / Q000145:classification* / Q000209:etiology; D010024:Osteoporosis / Q000145:classification* / Q000209:etiology
vernacular_title: Zaniki kostne (osteopenie). Klasyfikacja i klinika.