Table 1.
Six Clinical Questions for Testing Search Strategy.
Fig 1.
Steps taken to develop the search strategy.
Table 2.
Time taken for the search strategy to be executed in minutes.
Table 3.
The search strategy executed in Question 1.
Fig 2.
Intersection of selected databases and the use of subject headings.
Cochrane Library; MeSH terms only (designated with thin straight line), Cochrane Library; free text words only (designated with thick straight line), PubMed; MeSH terms (designated with thin dotted line), PubMed; free text words only (designated with thick dotted line), TRIP Database; free text words only (designated with thin dashed line), TRIP Database; free text words with alternative terms (designated with thick dashed line).