Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality

@article{Betrn2005EffectivenessOD,
  title={Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality},
  author={Ana Pilar Betr{\'a}n and Lale Say and Ahmet Metin G{\"u}lmezoglu and Tomas J. Allen and Lynn Hampson},
  journal={BMC Medical Research Methodology},
  year={2005},
  volume={5},
  pages={6 - 6}
}
BACKGROUND Failure to be comprehensive can distort the results of a systematic review. Conversely, extensive searches may yield unmanageable number of citations of which only few may be relevant. Knowledge of usefulness of each source of information may help to tailor search strategies in systematic reviews. METHODS We conducted a systematic review of prevalence/incidence of maternal mortality and morbidities from 1997 to 2002. The search strategy included electronic databases, hand searching… CONTINUE READING
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