Chronic diseases need to have standard definitions

BMJ 1995; 310 doi: https://doi.org/10.1136/bmj.310.6993.1535 (Published 10 June 1995) Cite this as: BMJ 1995;310:1535
  1. Tom Fahey
  1. Senior registrar in public health medicine Department of Public Health and Health Policy, Oxfordshire Health, Oxford OX3 7LS

    EDITOR,—John Shanks and colleagues mention the value of morbidity data collected in general practice.1 Remarkably little is known about the completeness and validity of data on health promotion and chronic diseases. The definition of asthma for the purposes of management of chronic disease has been reported to differ …

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