P L Murphy

Is occupational low back pain on the rise?

E. Volinn, P. L. Murphy, E Volinn, 1999, Spine.

Injury and illness in the American workplace: a comparison of data sources.

T K Courtney, G S Sorock, T B Leamon, 1996, American journal of industrial medicine.

Low back pain disability: relative costs by antecedent and industry group.

T K Courtney, T. Courtney, P. L. Murphy, 2000, American journal of industrial medicine.