1. Risk of recurrence of occupational back pain over 3-year follow-up;Abenhaim;Br J Indust Med,1988
2. Controlled trial of imipramine for chronic low back pain;Alcoff;J Fam Pract,1982
3. Treatment of acute low-back pain with piroxicam: Results of a double-blind placebo-controlled trial;Amlie;Spine,1983
4. Multicentre double-blind comparison of piroxicam and indo-methacin in the treatment of lumbar diseases;Aoki;Eur J Rheumatol Inflamm,1983
5. Naproxen sodium, diflunisal, and placebo in the treatment of chronic back pain;Berry;Ann Rheum Dis,1982