Asthma in an Urban Population in Portugal: A prevalence study
<p>Abstract</p> <p>Background</p> <p>The prevalence and incidence of asthma are believed to be increasing but research on the true incidence, prevalence and mortality from asthma has met methodological obstacles since it has been difficult to define and diagnose asthma...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-05-01
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| Series: | BMC Public Health |
| Subjects: | |
| Online Access: | http://www.biomedcentral.com/1471-2458/11/347 |