Environmental risk factors in the first year of life and childhood asthma in the Central South of Chile.
J Asthma 48(5):464-9 (2011) PMID 21548831
Childhood asthma has a high prevalence in South America--a region of the world currently undergoing a thorough modernization and transition process. Asthma in South America is mainly associated with poor urban environment, which actually may challenge the role of the hygiene hypothesis. We systematically assessed the impact of environmental factors in the first year of life on asthma.
DOI: 10.3109/02770903.2011.576740
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