ma_ko https://blog.hatena.ne.jp/ma_ko/ 気の向くままに https://asyoulike.hatenablog.com/ pack-yearは、1日1箱(20本)を1年間続けた状態 http://glaxosmithkline.co.jp/press/press/2004_07/P1000265.html 論文読んでたら、出て来たpack-year。へ〜。 ちなみに私は吸えない人。 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fasyoulike.hatenablog.com%2Fentry%2F20060208%2Fp1" title="pack-year - 気の向くままに" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2006-02-08 00:00:00 rich https://asyoulike.hatenablog.com/entry/20060208/p1 1.0 100%