1. The prevalence of low-back pain in nurses;Cust;Int. Nursing Rev.,1972
2. Back symptoms in nursing aides in a geriatric hospital;Delhin;Scand. J. Rehabil. Med.,1976
3. Perceived exertion during patient lifts;Delhin;Scand. J. Rehabil. Med.,1982
4. Lumbo-sacral loads and selected muscular activities for a task consisting of turning the patients in bed;Gagnon;Ergonomics,1986
5. Occupational low-back pain in hospital nurses;Harber;J. Occup. Med.,1985