The Accuracy of Epidemiologic Definitions of Childhood Asthma Using a Clinical Reference Standard
This study determined the sensitivity and specificity of questionnaires and administrative databases compared to a clinical reference standard for asthma. 208 schoolchildren from a population-based sample participated. They underwent a physician assessment, spirometry, methacholine challenge, exhale...
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Language: | en_ca |
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2012
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Online Access: | http://hdl.handle.net/1807/32502 |