Literature search on risk factors for sarcoma: PubMed and Google Scholar may be complementary sources
1 Department of Environmental Medicine and Public Health, Padua University, 35128 Padua, Italy
2 Department of Oncological and Surgical Sciences, Padua University, 35128 Padua, Italy
BMC Research Notes 2010, 3:131 doi:10.1186/1756-0500-3-131Published: 10 May 2010
Additional file 1:
Box; Table S1; Table S2 (a, b and c). - Box: search strings employed in the different searching strategies: Google Scholar 1 (GS1); Google Scholar 2 (GS2); PubMed 1(PM1); PubMed 2 (PM2). - Table S1: Sensitivity, specificity and precision of the different sources of citations/search strategies; - Table S2: Two by two table displaying the papers shared by pairs of bibliographic sources.
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