title: BRECK LW, PHEASANT HC, ROMBOLD CR: LOW-BACK X-RAYS. CRITERIA FOR THEIR USE IN PLACEMENT EXAMINATIONS IN INDUSTRY.
mesh_terms: D001415:Back; D000013:Congenital Abnormalities; D006801:Humans; D007221:Industry; D008460:Meat; D010808:Physical Examination; D014965:X-Rays
keywords: ABNORMALITIES