Jordan, K., Clarke, A. M.
, Symmons, D. P. M., Fleming, D., Porcheret, M., Kadam, U. T., & Croft, P. (2007).
Measuring disease prevalence: A comparison of musculoskeletal disease using four general practice consultation databases.
British Journal of General Practice,
57(534), 7-14. . Publication link:
9557ee2b-82b4-47ef-95ff-48bef5235910