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Psychosocial predictors of increased smoking stage among sixth graders |
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| Authors: | Simons-Morton Bruce G Haynie Denise L |
| Affiliation: | Division of Epidemiology, Statistics, and Prevention Research, National Institute of Child Health and Human Development, NIH, Rockville, MD 20852-7510, USA. MORTONB@exchange.nih.gov |
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| 本文献已被 PubMed 等数据库收录！ | |