Effect of low-intensity back exercise on quality of life and back extensor strength in patients with osteoporosis: a randomized controlled trial

http://www.ncbi.nlm.nih.gov/pubmed/17572835

Osteoporosis International
Vol. 18, No. 10, 1389-1395, DOI: 10.1007/s00198-007-0398-9 (2007) Epub 2007 Jun 16.

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