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The restrictions on advertising the properties of filters ended by voluntary agreement in 1968
This topic reminds me of when we discussed in class if smoking is correlated with lung cancer
Output: The mass of particulate matter per unit volume (e.g., micrograms per cubic meter) can be calculated based on particle size and concentration data
The information provided comes from research work, personal expert discussions and our own experiences, which have been compiled together
Smokers' misperceptions of light and ultra-light cigarettes may keep them smoking
They give me a chance to talk to people
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