Table 6

Composition of unique 2003 Google Scholar material

Source of unique material
Oncology
CM Physics

Journal
31 (62 %)
18 (37%)
Archive
3 (6%)
12 (25%)
College or University
9 (18%)
6 (13%)
Government
3 (6%)
4 (8%)
Non-Governmental Organization
2 (4%)
8 (17 %)
Commercial
0
0
Other
2 (4%)
0
Total
50
48

Bakkalbasi et al. Biomedical Digital Libraries 2006 3:7   doi:10.1186/1742-5581-3-7