130 Chapter 3 Medline We searched the Medline database, using Ovid Silverplatter on February 26th, 2021, with the following search strings: - (asthma [Title]) AND (guideline* OR recommendation* [Title]) AND (diagnos*[all fields]). We limited the search results to publication years 2016-2020, and publications in English, German, or Dutch language. This resulted in 61 hits. Four of these hits lead to relevant CPGs [37-40].
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