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Clinical trial registration
Looking back and moving ahead
Wedi'i Gadw mewn:
Prif Awduron: | , , , , , , , , , , , , , , |
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Fformat: | Artigo |
Iaith: | Inglês |
Cyhoeddwyd: |
BMJ Publishing Group Ltd.
2007
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Pynciau: | |
Mynediad Ar-lein: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1889969/ https://ncbi.nlm.nih.gov/pubmed/17548363 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmj.39233.510810.80 |
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