Key points are not available for this paper at this time.
If you are involved in preparing a policy or a plan that concerns public health, in its broadest possible meaning, and you do not consult this report you will now be negligent. Prepared by contributors to the Cochrane and Campbell Collaborations and published by the NHS Centre for Reviews and Dissemination, University of York, UK, in August 2000, this mighty book is an absolutely essential resource for all public health workers and health service planners.
Peter Sainsbury (Tue,) studied this question.