G Elsner

Occupational risk factors for symptomatic lumbar disc herniation; a case-control study

A Seidler, A. Seidler, G. Marquardt, 2003, Occupational and environmental medicine.

The role of cumulative physical work load in lumbar spine disease: risk factors for lumbar osteochondrosis and spondylosis associated with chronic complaints

A Seidler, A. Seidler, U. Bolm-Audorff, 2001, Occupational and environmental medicine.