Betrán, Ana P <br/><br/>
Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality.  [electronic resource] 

 -  BMC medical research methodology  Jan 2005 
 - 6 p.  digital 
<br/><br/> Publication Type: Comparative Study; Evaluation Study; Journal Article 
<br/><br/><label>ISSN: </label>1471-2288 
<br/><br/><label>Standard No.: </label>10.1186/1471-2288-5-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Humans<br/>Databases, Bibliographic--classification<br/>Incidence<br/>Information Storage and Retrieval<br/>Maternal Mortality<br/>Maternal Welfare<br/>MEDLINE<br/>Periodicals as Topic--standards<br/>Prevalence<br/>Research Design<br/>World Health Organization<br/>Systematic Reviews as Topic