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Snus as a smoking cessation aid: a randomized placebo-controlled trial |
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| Authors: | Fagerstrom Karl Rutqvist Lars E Hughes John R |
| Affiliation: | Fagerstrom Consulting AB, Kagerod, Sweden. karl.fagerstrom@swipnet.se |
| Abstract: | |
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| 本文献已被 PubMed 等数据库收录！ | |