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Changes in and Patterns of Smoking Exposure in an Elderly Urban Population in Beijing: 2001–2010
OBJECTIVE: The study aims to explore the patterns and changes of active and passive smoking in the elderly population. METHODS: Two cross-sectional surveys with representative samples of urban populations, aged between 60 and 95 years old, were conducted in 2001 and 2010 in Beijing. A current smoker...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4364981/ https://www.ncbi.nlm.nih.gov/pubmed/25785722 http://dx.doi.org/10.1371/journal.pone.0118500 |