Spine · 1997 · 251 citations · 27 references
Occupational activities, particularly in women, such as working with heavy weights or lengthy periods of standing or walking, were associated with the occurrence of low back pain. Short-term influences may be more important in the occurrence of new episodes rather than cumulative lifetime exposure, and emphasize that such morbidity may be avoidable.
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Risk factors in low-back pain. An epidemiological survey.
John W. Frymoyer, Malcolm H. Pope, Janice H. Clements et al. · Journal of Bone and Joint Surgery · 1983 · 748 citations
Epidemiologic Studies of Low-Back Pain
John W. Frymoyer, Malcolm H. Pope, Michael C. Costanza et al. · Spine · 1980 · 522 citations
Family Medicine, Lumbosacral Radiculopathy, Pain Syndrome +15