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- Many research workers, to save time, rely entirely on either on-line or
- off-line databases offered by an increasing number of information services.
- The characteristics of eight databases, including five on-line services,
- were analysed in the present study concerning the retrieval of information
- on dengue, the most important mosquito-borne viral disease of humans.
- Differences in the rate of retrieval among data-bases were apparent,
- depending on the main subject of publication as well as on the geographical
- location of the publisher. While rates of retrieval of references in
- molecular biology were generally satisfactory (mostly > 70%), those in
- clinical medicine and epidemiology were not (< 50%). The latter, as
- published in many dengue-endemic tropical countries, were found to be
- inadequately covered. For the global surveillance of dengue, which has
- increased in intensity and spread to many countries because of increased
-