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Infant sleep placement after the back to sleep campaign |
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| Authors: | Pollack Harold A Frohna John G |
| Affiliation: | Department of Health Mangement and Policy, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029, USA. haroldp@sph.umich.edu |
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| 本文献已被 PubMed 等数据库收录！ | |