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The science of systematically reviewing literature has become a research process in its own right. The key word of course, is systematic. In the context of a systematic review this indicates that all possible sources have been comprehensively searched using a pre-defined search strategy designed to identify all relevant published and unpublished work. This paper illustrates the components of a comprehensive search, examines the yield of this approach and discusses the time and resource requirements for conducting the search. It uses as an example a recently completed systematic review. The paper goes on to discuss ways in which nurses can become more involved in conducting and using the results of good quality reviews.
Sindhu et al. (Mon,) studied this question.