title: RELATION OF LUMBAR SPINE DISORDERS TO HEAVY MANUAL WORK AND LIFTING.
mesh_terms: D000056:Accident Prevention; D000062:Accidents, Occupational; D001416:Back Pain; D004739:England; D006801:Humans; D017770:Lifting; D008159:Lumbar Vertebrae; D005082:Physical Exertion; D010827:Physiology; D011859:Radiography; D013124:Spinal Injuries
keywords: ACCIDENT PREVENTION; ACCIDENTS, INDUSTRIAL; BACKACHE; ENGLAND; EXERTION; LUMBAR VERTEBRAE; PHYSIOLOGY; RADIOGRAPHY; SPINAL INJURIES