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Table 2 Example of search strategy and identified hits incremental search

From: The international WAO/EAACI guideline for the management of hereditary angioedema – the 2017 revision and update

Step

Search terms

Hits

1

“Hereditary angioedema” OR “Hereditary angiooedema” OR

“Hereditary angio-oedema” OR “Hereditary angioneurotic oedema”

OR “Hereditary angioneurotic edema”

2063

2

Limit to yr. = 2010/09/01 - current (2016/05/31)

718

3

Limit to “Clinical Trial”

51