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A Comparison of Three Methods to Measure Asthma in Epidemiologic Studies: Results from the Danish National Birth Cohort
- Susanne Hansen,
- Marin Strøm,
- Ekaterina Maslova,
- Erik Lykke Mortensen,
- Charlotta Granström,
- Sjurdur F. Olsen
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- Published: May 11, 2012
- https://doi.org/10.1371/journal.pone.0036328