Once again, I was attacked by my colleagues, including two co-authors of the 2014 Surgeon General's report, for having the nerve to suggest that lifelong smokers of filtered cigarettes may have slightly lower lung cancer risk than lifetime smokers of non-filtered cigarettes.

(7) An explanation of whom to contact for answers to pertinent questions about the research and research subjects’ rights, and whom to contact in the event of a research-related injury to the subject;

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