https://www.selleckchem.com/pr....oducts/olcegepant.ht
This study conducted a content analysis of 639 news articles about e-cigarettes in China from 2004-2019 to examine longitudinal changes in media frames and media tones about e-cigarettes in Chinese newspapers. Results indicated that policy frame was the most frequently used frame, followed by human impact frame, information frame, and uncertainty frame. Dividing the time period of 2004-2019 into four phases (i.e., 2004-2006, 2007-2010, 2011-2017 and 2018-2019), the study found that the frequency of the information frame significantly
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