title: Osteoporosis: men are not immune.
mesh_terms: D015519:Bone Density; D050723:Fractures, Bone / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000453:epidemiology* / Q000517:prevention & control; D012737:Sex Factors