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If at first you don't succeed, try, try, try again. A message for Public Health Research in Belgium
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3436692/ http://dx.doi.org/10.1186/0778-7367-67-1-1 |