Reviewed on February 10, 2012
Source
© 2012 the Reviewer (source).
References
John, C., David, A., Malin, A., Sven, E., Henrik, M., Axel, B. L. 2012. How does cornorbidity influence healthcare costs? A population-based cross-sectional study of depression, back pain and osteoarthritis. BMJ Open, 2(2).