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Searching for observational studies: what does citation tracking add to PubMed? A case study in depression and coronary heart disease
BACKGROUND: PubMed is the most widely used method for searches of the medical literature, but fails to identify many relevant articles. Electronic citation tracking offers an alternative search method. METHODS: Articles investigating the role of depression in the aetiology and prognosis of coronary...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2006
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1403794/ https://www.ncbi.nlm.nih.gov/pubmed/16483366 http://dx.doi.org/10.1186/1471-2288-6-4 |