Changes in and patterns of smoking exposure in an elderly urban population in Beijing: 2001-2010.
The study aims to explore the patterns and changes of active and passive smoking in the elderly population.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 was defined as a per...
| Main Authors: | , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2015-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC4364981?pdf=render |