title: Letters.
authors.forename: Sean
authors.initials: S
authors.lastname: Gallagher
mesh_terms: D000375:Aging; D001696:Biomechanical Phenomena; D006801:Humans; D007403:Intervertebral Disc / Q000473:pathology / Q000503:physiopathology*; D007405:Intervertebral Disc Displacement / Q000503:physiopathology*; D008159:Lumbar Vertebrae / Q000473:pathology / Q000503:physiopathology*; D013314:Stress, Mechanical