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When electronic cigarettes (e-cigarettes) first emerged, they became a popular way for people to quit smoking. But in 2019, a mysterious lung condition emerged that primarily affected young people, particularly those who vaped. This left many questioning the safety of e-cigarettes.
What if the data I want are reported for the wrong group?
Data extraction tips for meta-analysis
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The Oxford Centre for Evidence-Based Medicine (CEBM) develops, teaches, promotes and disseminates better evidence for healthcare.