Vale the Index

Gore G. Searching the medical literature. Injury Prevention 2003; 9: 103–104.

Al-Ubaydii M. Using search engines to find online medical information. PLoS Med 2005; 2: e228.

Dickman S. Tough mining. The challenges of searching the scientific literature. PLoS Biology 2005; 1: 144–147.

Betran A.P. , Say L. , Gulmezoglu A.M. , Allen T. , Hampson L. Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality. BMC Medical Research Methodology 2005; 5: 6.

Greenhalgh T. , Peacock R. Effectiveness and efficiency of search methods in systematic reviews of complex evidence: audit of primary sources. BMJ 2005; 331: 1064–1065.