> For the complete documentation index, see [llms.txt](https://ncdcadmin.gitbook.io/casestudy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ncdcadmin.gitbook.io/casestudy/01./undefined-10/undefined-1.md).

# 한국인의 흡연습관에 따른 폐암발생의 비교위험도