Epidemiological measures of childhood asthma: Cross-sectional and longitudinal consistency
Summary Background Defining childhood asthma varies considerably, and the extent of agreement between various measures is not clearly understood in the absence of a recognized ‘gold standard’. We compared different definitions of childhood asthma, identified characteristics that might have influence...
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Veröffentlicht in: | Respiratory medicine 2012-09, Vol.106 (9), p.1226-1235 |
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Format: | Artikel |
Sprache: | eng |
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