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Access controls on bmj.com: List of countries with free access seems incomplete
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| Main Author: | |
|---|---|
| Format: | Artigo |
| Language: | Inglês |
| Published: |
BMJ Publishing Group Ltd.
2005
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC556201/ |
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