title: The direct determination of porosity in human vertebral trabecular bone samples: a study of 49 post-mortem cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001344:Autopsy; D006801:Humans; D008159:Lumbar Vertebrae / Q000033:anatomy & histology*; D008875:Middle Aged