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Clinical trials in orthodontics I: demographic details of clinical trials published in three orthodontic journals between 1989 and 1998 |
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| Authors: | Harrison J E |
| Affiliation: | Department of Cinical Dental Services, Liverpool University Dental Hospital and School of Dentistry, UK. Jayne.Harrison@rlbuh-tr.nhs.uk |
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| 本文献已被 PubMed 等数据库收录！ | |